CVE-2025-55334 Windows Kernel Security Feature Bypass Vulnerability
An attacker can bypass security features locally due to cleartext storage of sensitive information in the Windows Kernel.
- 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-2025-55334?
CVE-2025-55334 is a medium-severity vulnerability in Microsoft Windows 11 22h2, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.
Weakness: CWE-312
Which versions are affected by CVE-2025-55334?
It affects 4 products.
Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2.
How do I fix CVE-2025-55334?
No fix has been published for CVE-2025-55334 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-55334 being exploited?
There is no known exploitation of CVE-2025-55334 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11 22h2
- CVE-2024-49117 Windows Hyper-V Remote Code Execution Vulnerability
- CVE-2024-21435 Windows OLE Remote Code Execution Vulnerability
- CVE-2025-24084 Windows Subsystem for Linux (WSL2) Kernel Remote Code Execution Vulnerability
- CVE-2025-33054 Remote Desktop Spoofing Vulnerability
- CVE-2025-29828 Windows Schannel Remote Code Execution Vulnerability
Sources
Also known as GHSA-45v6-9x5v-7h9m.