Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2024-43638

Vulnerability identifier: #VU100309

CSH Severity: Low

CVSS v4: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-43638

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary condition in Windows USB Video Class System Driver. An attacker with physical access can connect a malicious USB device, trigger an out-of-bounds read error and gain elevated privileges on the system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5131, 10 22H2 10.0.19045.5131, 10 1507 10.0.10240.20826, 10 1607 10.0.14393.7515, 10 1809 10.0.17763.6532, 11 22H2 10.0.22621.4460, 11 23H2 10.0.22631.4460, 11 24H2 10.0.26100.2240, 11 24H2 10.0.26100.2314
Windows Server - addressed in versions 2008 R2 6.1.7601.27415, 2008 6.0.6003.22966, 2012 R2 6.3.9600.22267, 2012 6.2.9200.25165, 2022 23H2 10.0.25398.1251, 2022 10.0.20348.2849, 2025 10.0.26100.2240, 2025 10.0.26100.2314

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-43638

• Multiple vulnerabilities in Microsoft Windows USB Video Class System Driver