CVE-2024-21345 Windows Kernel Elevation of Privilege Vulnerability
A memory corruption flaw in the Windows Kernel allows attackers to elevate privileges on affected Windows Server systems.
- 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-2024-21345?
CVE-2024-21345 is a high-severity memory corruption vulnerability in Microsoft Windows Server 2022 23h2, published on 13 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Kernel Elevation of Privilege Vulnerability
Weakness: CWE-122
Which versions are affected by CVE-2024-21345?
It affects 1 product.
Products include Microsoft Windows Server 2022 23h2.
How do I fix CVE-2024-21345?
No fix has been published for CVE-2024-21345 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-2024-21345 being exploited?
There is no known exploitation of CVE-2024-21345 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows Server 2022 23h2
- CVE-2024-30007 Microsoft Brokering File System Elevation of Privilege Vulnerability
- CVE-2024-21353 Microsoft WDAC ODBC Driver Remote Code Execution Vulnerability
- CVE-2025-55697 Azure Local Elevation of Privilege Vulnerability
- CVE-2025-21326 Internet Explorer Remote Code Execution Vulnerability
- CVE-2024-26235 Windows Update Stack Elevation of Privilege Vulnerability
Sources
Also known as GHSA-2crq-h5c4-gg2p.