Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2026-61933
Published: August 12, 2026
Vulnerability identifier: #VU141620
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61933
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Windows DWM Core Library. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-61933
Install updates from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.9106, 11 24H2 10.0.26100.9168, 11 25H2 10.0.26200.9168, 11 26H1 10.0.28000.2704
Windows Server - addressed in versions 2025 10.0.26100.33222, 2025 10.0.26100.33296
Windows Server - addressed in versions 2025 10.0.26100.33222, 2025 10.0.26100.33296