Untrusted Pointer Dereference in Microsoft Windows - CVE-2026-112805

 

Untrusted Pointer Dereference in Microsoft Windows - CVE-2026-112805

Published: November 11, 2026


Vulnerability identifier: #VU164874
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-2026-112805
CWE-ID: CWE-822
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escape the AppContainer sandbox and elevate privileges to SYSTEM.

The vulnerability exists due to an untrusted pointer dereference in the Windows kernel when executing code from a low-privilege AppContainer. A local user can exploit the pointer dereference locally to escape the sandbox and gain SYSTEM privileges.


Affected software

Microsoft Windows

How to mitigate CVE-2026-112805

Install security update from vendor's website.

Microsoft Windows - addressed in versions 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501

External References

Related Security Bulletins