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CVE-2025-62220

Windows Subsystem for Linux GUI Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: November 11, 2025 at 05:59 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
1 product affected across 1 vendorWindows Subsystem for Linux

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Heap-based buffer overflow in Windows Subsystem for Linux GUI allows an unauthorized attacker to execute code over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows Subsystem for Linux· Microsoft
95%
v < 2.6.21.0.0
Affected range stops below 2.6.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62220

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-122

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