CVE-2026-96929 Windows Kernel Elevation of Privilege Vulnerability
A heap-based buffer overflow in the Windows Kernel allows an authorized local attacker to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96929?
CVE-2026-96929 is a high-severity memory corruption vulnerability in Microsoft Windows Server 2022, 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
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Weakness: CWE-122
Which versions are affected by CVE-2026-96929?
It affects 2 products.
Products include Microsoft Windows Server 2022, Microsoft Windows Server 2025.
How do I fix CVE-2026-96929?
No fix has been published for CVE-2026-96929 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-96929 being exploited?
There is no known exploitation of CVE-2026-96929 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2022
- CVE-2022-34715 Windows Network File System Remote Code Execution Vulnerability
- CVE-2025-50171 Remote Desktop Spoofing Vulnerability
- CVE-2026-70167 Windows Domain Name Service Remote Code Execution Vulnerability
- CVE-2026-45648 Windows Active Directory Domain Services Remote Code Execution Vulnerability
- CVE-2024-30064 Windows Kernel Elevation of Privilege Vulnerability
Sources
Also known as GHSA-hw2w-cx66-mp5m.