Zero-day vulnerability in Windows

Buffer overflow
CVE-2020-1027

Vulnerability details

Advisory: SB2020041445 - Privilege escalation in Microsoft Windows

Vulnerable component: Windows

CVE-ID: CVE-2020-1027

CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description:

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Kernel when handling objects in memory. A local user can use a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

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

External links:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1027