Main Vulnerability Database Vulnerabilities #VU164980

Incorrect authorization in Microsoft Windows and Windows Server - CVE-2026-116714

Published: November 11, 2026

Vulnerability identifier: #VU164980

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-2026-116714

CWE-ID: CWE-863

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges to SYSTEM.

The vulnerability exists due to incorrect authorization in Windows AppX Deployment Service when handling local service operations. A local user can exploit incorrect authorization checks to gain SYSTEM privileges.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-116714

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7846, 10 22H2 10.0.19045.7846, 11 23H2 10.0.22631.7711
Windows Server - update to 2022 10.0.20348.5870

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-116714

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