Heap-based Buffer Overflow in Windows Subsystem for Linux GUI by Microsoft
CVE-2025-62220

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows Subsystem For Linux Gui
Vendor
CVE Published:
11 November 2025

What is CVE-2025-62220?

A heap-based buffer overflow vulnerability in the Windows Subsystem for Linux GUI permits an unauthorized attacker to execute arbitrary code over a network. Exploiting this flaw could lead to significant security breaches, allowing potential intruders to take control of affected systems remotely.

Affected Version(s)

Windows Subsystem for Linux GUI Unknown 1.0.0 < 2.6.2

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-62220 : Heap-based Buffer Overflow in Windows Subsystem for Linux GUI by Microsoft