Main Vulnerability Database Vulnerabilities #VU154255

Use-after-free in Microsoft Windows and Windows Server - CVE-2026-102197

Published: October 13, 2026

Vulnerability identifier: #VU154255

CSH Severity: Low

CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-102197

CWE-ID: CWE-416

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 use-after-free in Windows Broadcast DVR User Service when a race condition occurs. A local user can win the race condition to escalate privileges to SYSTEM.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-102197

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7807, 10 1809 10.0.17763.9376, 11 23H2 10.0.22631.7652, 11 24H2 10.0.26100.9711, 11 25H2 10.0.26200.9711, 11 26H1 10.0.28000.3231
Windows Server - update to 2019 10.0.17763.9376

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-102197

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