CVE-2026-83771 Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability
An attacker on an adjacent network can exploit a use-after-free flaw in the Windows Camera Frame Server Monitor to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83771?
CVE-2026-83771 is a high-severity use after free vulnerability in Microsoft Windows 11 Version 23H2, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.
Weakness: CWE-416
Which versions are affected by CVE-2026-83771?
How do I fix CVE-2026-83771?
No fix has been published for CVE-2026-83771 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-83771 being exploited?
There is no known exploitation of CVE-2026-83771 in the wild and no public exploit code.
Sources
Also known as GHSA-g8c9-rqmv-hf57.