CVE-2025-62220
Published: 11 November 2025
Description
Adversaries may exploit software vulnerabilities in client applications to execute code.
Security Summary
CVE-2025-62220 is a heap-based buffer overflow vulnerability, classified under CWE-122, affecting the Windows Subsystem for Linux GUI. Published on 2025-11-11T18:15:49.730, it carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant impact.
An unauthorized attacker can exploit this vulnerability over a network with low attack complexity and no required privileges, though user interaction is necessary. Successful exploitation allows arbitrary code execution, granting high levels of confidentiality, integrity, and availability impact on the affected system.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62220 provides guidance on mitigations and patches for this vulnerability.
Details
- CWE(s)
Affected Products
MITRE ATT&CK Enterprise Techniques
Why these techniques?
The heap-based buffer overflow in Windows Subsystem for Linux GUI enables arbitrary code execution via client-side exploitation requiring user interaction (UI:R), directly mapping to T1203: Exploitation for Client Execution.