Zero-day vulnerability in Microsoft Publisher

Security features bypass
CVE-2023-21715

Vulnerability details

Advisory: SB2023021418 - Remote code execution in Microsoft Publisher

Vulnerable component: Microsoft Publisher

CVE-ID: CVE-2023-21715

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-254 - Security Features

Description:

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to unspecified error when processing files. A remote attacker can trick the victim to open a specially crafted file, bypass Office macro policies used to block untrusted or malicious files and execute arbitrary code on the system.

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


External links:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21715

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.