MSRC-CVE-2024-21346 — Win32k Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
10.0.22000.2777 — https://support.microsoft.com/help/5034766
10.0.22621.3155 — https://support.microsoft.com/help/5034765
10.0.25398.709 — https://support.microsoft.com/help/5034769

Vulnerabilities 1

High 7.8

CVE-2024-21346

Win32k Elevation of Privilege Vulnerability

Win32k Elevation of Privilege Vulnerability

Microsoft Windows 11 version 23H2 Windows 11 version 22H2 Windows Server 2022, 23H2 Edition (Server Core installation) Windows

Feb 13, 2024

Revision history

2024-02-13 #1
Information published.

References

CVE-2024-21346 Win32k Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21346
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss