Time-of-check Time-of-use (TOCTOU) Race Condition in Microsoft Windows and Windows Server - CVE-2024-30099

Vulnerability identifier: #VU91710

CSH Severity: Low

CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-30099

CWE-ID: CWE-367

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in Windows Kernel. A local user can cause a race condition and gain elevated privileges on the 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, 2022 10.0.20348.2522, 2022 10.0.20348.2527

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-30099

• Multiple vulnerabilities in Microsoft Windows Kernel