CVE-2022-21971 Microsoft Windows Runtime Remote Code Execution
An attacker can execute arbitrary code on Windows systems by exploiting a null pointer dereference in the Windows Runtime component.
- Exploited in the wild
- Since 18 Aug 2022
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-21971?
CVE-2022-21971 is a high-severity vulnerability in Microsoft Windows 10 1809, published on 9 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Windows Runtime Remote Code Execution Vulnerability
Weakness: CWE-824
Which versions are affected by CVE-2022-21971?
It affects 9 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 1909, Microsoft Windows 10 20h2, Microsoft Windows 10 21h1, Microsoft Windows 10 21h2, Microsoft Windows 11 21h2 and 3 more.
How do I fix CVE-2022-21971?
No fix has been published for CVE-2022-21971 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 8 Sep 2022.
Is CVE-2022-21971 being exploited?
Yes. Attackers have exploited CVE-2022-21971 in the wild since at least 18 Aug 2022.
Public exploit code: 3 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-58gj-2v59-wxcq.