Use-after-free in Microsoft Windows and Windows Server - CVE-2026-113755

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Main Vulnerability Database Vulnerabilities #VU164921

Use-after-free in Microsoft Windows and Windows Server - CVE-2026-113755

Published: November 11, 2026


Vulnerability identifier: #VU164921
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-2026-113755
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 Filter Manager when accessing previously freed memory during local operations. A local user can exploit this memory corruption locally to gain SYSTEM privileges.

Successful exploitation requires a memory allocation to fail at a particular point in the affected operation; this failure cannot be assumed to occur during normal use.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-113755

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7846, 10 22H2 10.0.19045.7846, 10 1607 10.0.14393.9688, 10 1809 10.0.17763.9487, 11 23H2 10.0.22631.7711, 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
Windows Server - addressed in versions 2016 10.0.14393.9688, 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822

External References

Related Security Bulletins