Input validation error in Microsoft Windows and Windows Server - CVE-2024-30087

Vulnerability identifier: #VU91707

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-30087

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Win32k. A local user can pass specially crafted input to the application and gain elevated privileges on the target system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19043.4529, 10 1507 10.0.10240.20680, 10 1607 10.0.14393.7070, 10 1809 10.0.17763.5936, 11 21H2 10.0.22000.3019, 11 22H2 10.0.22621.3737, 11 23H2 10.0.22631.3737
Windows Server - addressed in versions 2008 R2 6.1.7601.27170, 2008 6.0.6003.22720, 2012 R2 6.3.9600.22023, 2012 6.2.9200.24919, 2022 10.0.20348.2522, 2022 10.0.20348.2527

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-30087
• https://www.zerodayinitiative.com/advisories/ZDI-24-605/

• Multiple vulnerabilities in Microsoft Win32k