Zero-day Vulnerability Database

Memory Corruption

A remote attacker can execute arbitrary code on the target system.

The vulnerability exists due to incorrect handling of objects in memory in Windows font library when processing Open Type fonts. A remote attacker can create a specially crafted font file and cause memory corruption.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on vulnerable system with privileges of the current user.

Note: this vulnerability is being actively exploited in the wild.

Privilege escalation

The vulnerability allows a local user to gain elevated privileges on the target system.

The weakness is due to improper handling of objects in memory by win32k.sys. By sending a specially crafted system call NtSetWindowLongPtr(), a local attacker can set index GWLP_ID to WS_CHILD value on a window handle with GWL_STYLE and execute arbitrary code with system privileges.

Successful explotation of the vulnerability results in privilege escalation.

Note: this vulnerability is being actively exploited in the wild.

Information disclosure

Arbitrary code execution

Memory corruption

Memory corruption

Memory corruption

The weakness exists due to boundary error when handling of malicious files. A remote attacker can create a specially crafted content, trick the victim into opening it, trigger memory corruption and gain access to arbitrary data.

Memory corruption

Privilege escalation

The vulnerability exists due to improper handling of objects in memory by the kernel-mode driver. A local attacker can run a specially crafted program, gain elevated privileges and execute arbitrary code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Privilege escalation

The vulnerability exists due to improper handling of objects in memory by the kernel-mode driver. A local attacker can run a specially crafted program, gain elevated privileges and execute arbitrary code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Improper input validation

Memory corruption

The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.

Note: the vulnerability was being actively exploited.

Arbitrary code execution

The vulnerability exists due to improper handling of Media Center link (.mcl) files. A remote attacker can create a specially crafted Media Center link (.mcl) file that references malicious code, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Note: the vulnerability was being actively exploited.

Memory corruption

The weakness exists due to boundary error in ATMFD.dll in Win32k.sys. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of the vulnerability may result in full control of the vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

The vulnerability exists due to boundary error when parsing malformed images. A remote attacker can create a file containing a specially crafted image file, trick the victim into opening it, cause memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

The weakness exists due to boundary error when handling Javascript and HTML tables within the layout cache. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Privilege escalation

The vulnerability exists due to improper processing of symbolic links by Mount Manager. By inserting a specially crafted USB device into the system, an attacker can create arbitrary files and execute malicious code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Buffer overflow

The vulnerability exists due to buffer overflow in Windows Adobe Type Manager library when processing OpenType fonts. A remote attacker can create a specially crafted document or website with embedded malicious OpenType font, trick the victim into opening it, cause memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

The weakness exists due to boundary error. A remote attacker can create a specially crafted Web-site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

The weakness exists due to boundary error in the Adobe Type Manager module (ATMFD.dll). A local attacker can execute a specially crafted application, trigger memory corruption, bypass OS-level sandboxing and execute arbitrary code with SYSTEM privileges.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Heap-based buffer overflow

The vulnerability exists due to heap-based buffer overflow when processing Office files. A remote attacker can create a specially crafted Office file, trick the victim into opening it, cause memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

Privilege escalation

The weakness exists due to improper access control. A local attacker can create a specially crafted application, execute a callback in userspace and use data from the System token to execute arbitrary code on the system with root privileges.

Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.

Memory corruption

The weakness exists due to boundary error when handling rich text format files. A remote attacker can create a specially crafted RTF document, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Insecure dll. library loading

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the way Microsoft Windows parses shortcuts. A remote attacker can place a specially crafted .dll file along with an icon file on a remote SMB or WebDav share, trick the victim into opening that document and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: the vulnerability was being actively exploited.

Security bypass

Cross-site scripting

Path traversal

The weakness exists due to insufficient validation of user-supplied input within TS WebProxy Windows component. A remote attacker can trick the victim into downloading a specially crafted file and execute it with privileges of the current user.  

Successful exploitation of the vulnerability may result in full control of the vulnerable system.

Note: the vulnerability was being actively exploited.

Privilege escalation

Privilege escalation

Code injection

Privilege escalation

Improper input validation

Improper input validation

Privilege escalation

Information disclosure

Privelege escalation

Security bypass

Privilege escalation

“Use-after-free” error

Privilege escalation

“Use-after-free” error

Memory corruption

Memory corruption

“Use-after-free” error

Use-after-free error

ASLR bypass

Information disclosure

ASLR bypass

Sugnature verification bypass

Information disclosure

Privilege escalation

Memory corruption

Memory corruption

Use-after-free error

Use-after-free error

Use-after-free error

Buffer overflow

Privilege escalation

Use-after-free error

Cross-site scripting

Memory corruption

Use-after-free error

Cross-site scripting

Use-after-free error

Memory corruption

Untrusted Search Path

Use-after-free error

Memory corruption

Stack-based buffer overflow

Memory corruption

Denial of service

Privilege escalation

The vulnerability exists due to improper validation of input passed from user mode to the kernel in the Ancillary Function Driver (afd.sys). By running a malicious application, a local attacker with valid login credentials can execute arbitrary code with system privileges.

Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges on vulnerable system.

Note: the vulnerability was being actively exploited.

Memory corruption

Improper input validation

The vulnerability allows a local user to obtain elevated privileges on the target system.

The vulnerability exists due to improper managing of Keyboard Layout files by the kernel-mode driver (win32k.sys). A local attacker can execute arbitrary code on vulnerable system with SYSTEM privileges.

Successful exploitation of this vulnerability will allow the local attacker to obtain elevated privileges on vulnerable system.

Note: the vulnerability was being actively exploited.

Use-after-free error

Cross-site scripting

The vulnerability exists due to insufficient sanitization of user-input passed via MIME-formatted requests for content blocks within a document. A remote attacker can trick the victim to follow a specially crafted "MHTML:" link and execute arbitrary HTML and script code in user’s browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Memory corruption

Memory corruption

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when parsing CSS styles. A remote attacker can create a specially crafted web page containing Cascading Style Sheet that refers to itself recursively, cause memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited.

Privilege escalation

The vulnerability allows a local user obtain elevated privileges on vulnerable system.

The vulnerability exists in Windows Task Scheduler when running scheduled tasks within the intended security context. A local user can create a specially crafted task and execute arbitrary code on vulnerable system with privileges of the local system account.

Successful exploitation of this vulnerability may allow a local user to obtain full access to vulnerable system.

Note: this vulnerability is being actively exploited.

Use-after-free

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when processing CSS token sequences and the clip attribute. A remote attacker can create a specially crafted HTML page, trick the victim into visiting it, cause memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Improper validation of array index

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to an error in Win32k.sys driver when handling keyboard layouts as the Windows kernel fails to validate that an array index is within the bounds of the array. A local user can load a specially crafted keyboard layout and execute arbitrary code on the target system with privileges of SYSTEM account.

Successful exploitation of this vulnerability may allow an attacker to escalate privileges on vulnerable system.

Information disclosure

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to improper handling of errors during encryption padding verification. A remote attacker can gain access to potentially sensitive encrypted information, such as view state, read files and possibly forge cookies.

Successful exploitation of the vulnerability may allow an attacker to gain access to sensitive information and potentially compromise vulnerable web application.

Note: this vulnerability is being publicly exploited.

Improper access control

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to Windows Print Spooler service does not correctly restricts access permissions to create files for anonymous users. A remote attacker can send specially crafted RPC request to vulnerable service and upload malicious file to arbitrary location on the system.

This is a remote code execution vulnerability on Windows XP, since the guest account is enabled by default. On other operating systems this is a privilege escalation vulnerability, as only authenticated users have access to Print Spooler shares.

Successful exploitation of the vulnerability may result in remote code execution.

Note: this vulnerability is being actively exploited.

Improper input validation

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when parsing icons to .lnk and .pif files within Windows Explorer. A remote attacker can create a specially crafted icon file, trick the victim into clicking on it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Improper input validation

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when parsing URLs within Microsoft Help and Support Center. A remote attacker can create a specially crafted hcp:// URL, trick the victim into clicking on it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Stack-based buffer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to multiple boundary errors within Microsoft MPEG Layer-3 codecs when parsing AVI files. A remote unauthenticated attacker can create a specially crafted AVI file, trick the victim into opening it, trigger stack-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: the vulnerability was being actively exploited.

Cross-site scripting

The vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability exists due to insufficient sanitization of user-supplied input data passed to Help.aspx script. A remote attacker can trick the victim into following a specially crafted link and execute arbitrary HTML and script code in victim’s browser in context of vulnerable SharePoint website.

Successful exploitation may allow an attacker to conduct phishing and drive-by-download attacks.

Note: this vulnerability is being publicly exploited.

Use-after-free

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in the Peer Objects component within iepeers.dll library. A remote attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Integer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Use-after-free

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in Microsoft Internet Explorer. A remote attacker can execute arbitrary code by accessing a pointer associated with a deleted object.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Memory corruption

Integer Overflow or Wraparound

Heap-based buffer overflow

Stack-based buffer overflow

Denial of service

Improper initialization

Buffer overflow

Stack-based buffer overflow

Integer Overflow or Wraparound

Memory corruption

Privilege escalation

Null byte interaction error

Memory corruption

Privilege escalation

Privilege escalation

Privilege escalation

Memory corruption

Use-after-free error

Improper input validation

Memory corruption

Use-after-free

Stack-based buffer overflow

Integer Overflow or Wraparound

Buffer overflow

Memory corruption

Memory corruption

Memory corruption

Integer overflow

Privilege escalation

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in Jet database engine when parsing .mdb files. A remote attacker can create a specially crafted .mdb file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Memory corruption

Memory corruption

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when handling certain DHTML object methods. A remote attacker can create a specially crafted HTML page, trick the victim into visiting it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a local user to escalation privileges on vulnerable system.

The vulnerability exists due to incorrect handling of configuration parameters within Macrovision SafeDisc SECDRV.SYS driver, shipped by default with Windows XP and Windows 2003 operating systems. A local user pass specially crafted parameters to METHOD_NEITHER IOCTL and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability allows a local unprivileged user to elevate his privileges and gain administrative access to vulnerable system.

Note: the vulnerability is being actively exploited.

OS command injection

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient filtration of URIs in Shell32.dll when open applications via URL handlers (e.g. mailto:). A remote attacker can create a specially crafted URI, containing invalid sequence of % characters, trick the victim to click on it and execute arbitrary system commands with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Memory corruption

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malformed strings in Word document. A remote attacker can create a specially crafted MS Word document, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Stack-based buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing RPC requests in Microsoft Windows DNS server, which contain long zone name parameter with escaped octal strings.
A remote attacker can send a specially crafted RPC request to vulnerable DNS server, cause stack-based buffer overflow and execute arbitrary code on vulnerable system.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling cursor, animated cursor, and icon formats. A remote attacker can create a specially crafted malicious cursor or icon file, cause buffer overflow and execute arbitrary code on vulnerable system.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Memory corruption

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malformed stream in Word document. A remote attacker can create a specially crafted MS Word document, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malformed records in Excel files. A remote attacker can create a specially crafted Excel file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when processing malformed function in Word files. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in Vgx.dll library when handling Vector Markup Language (VML) tags. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when processing  an unchecked word count in Word files. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when handling Word files with a specially crafted data structure. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when handling Word files with a specially crafted string. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error in XMLHTTP ActiveX control within Microsoft XML Core Services. A remote unauthenticated attacker can trick the victim to open a specially crafted web page and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited.

Buffer overflow

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to incorrect handling of input data in Microsoft WMIScriptUtils.WMIObjectBroker2 ActiveX control (WmiScriptUtils.dll), bundled with Visual Studio 2005. A remote unauthenticated attacker can trick the victim to open a specially crafted web page or HTML file and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited.