CVE-2022-21961 Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
An attacker can execute arbitrary code on Windows systems via the Resilient File System, requiring immediate patching.
- 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-2022-21961?
CVE-2022-21961 is a medium-severity code injection vulnerability in Microsoft Windows 10, published on 11 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Which versions are affected by CVE-2022-21961?
It affects 8 products.
Products include Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server, Microsoft Windows Server 2012 and 2 more.
How do I fix CVE-2022-21961?
No fix has been published for CVE-2022-21961 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-21961 being exploited?
There is no known exploitation of CVE-2022-21961 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-rmmp-36jf-jcm8.