Release of invalid pointer or reference in Microsoft Windows - CVE-2026-85850

 

Release of invalid pointer or reference in Microsoft Windows - CVE-2026-85850

Published: October 14, 2026


Vulnerability identifier: #VU155193
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-2026-85850
CWE-ID: CWE-763
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain SYSTEM privileges.

The vulnerability exists due to release of an invalid pointer or reference in the Windows Kernel when releasing a pointer or reference. A local user can exploit this flaw locally to gain SYSTEM privileges.


Affected software

Microsoft Windows

How to mitigate CVE-2026-85850

Install security update from vendor's website.

Microsoft Windows - update to 11 26H1 10.0.28000.3231

External References

Related Security Bulletins