CVE-2025-62220 Windows Subsystem for Linux GUI Remote Code Execution Vulnerability
Heap-based buffer overflow in WSL GUI allows remote attackers to execute arbitrary code over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-62220?
CVE-2025-62220 is a high-severity memory corruption vulnerability in Microsoft Windows Subsystem for Linux GUI, published on 11 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Heap-based buffer overflow in Windows Subsystem for Linux GUI allows an unauthorized attacker to execute code over a network.
Weakness: CWE-122
Which versions are affected by CVE-2025-62220?
It affects 1 product.
Products include Microsoft Windows Subsystem for Linux.
How do I fix CVE-2025-62220?
No fix has been published for CVE-2025-62220 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-2025-62220 being exploited?
There is no known exploitation of CVE-2025-62220 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Subsystem for Linux GUI
- CVE-2021-43907 Visual Studio Code WSL Extension Remote Code Execution Vulnerability
- CVE-2026-57968 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
- CVE-2026-85879 Windows Subsystem for Linux Elevation of Privilege Vulnerability
- CVE-2025-53788 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
- CVE-2026-96206 Windows Subsystem for Linux Information Disclosure Vulnerability
Sources
Also known as GHSA-q774-gvh6-h2cc.