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TI-2021-19685 Aliases CVE-2021-43907GHSA-pq7c-f7ch-qfh7

Visual Studio Code WSL Extension Remote Code Execution Vulnerability

Priority MEDIUM 49Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Visual Studio Code WSL Extension Remote Code Execution Vulnerability

Why it matters now

EPSS 0.04003 90th percentileScored 2026-11-07
Fix Fixed Visual Studio Code WSL Extension (Microsoft): 0.63.11

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftVisual Studio Code WSL Extensionbefore 0.63.110.63.11Patch availableCNA
  • Visual Studio Code WSL Extension VendorMicrosoft Affected before 0.63.11 Fixed in 0.63.11 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:visual_studio_code:*:*before 0.63.11VulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:visual_studio_code:*:* Versions before 0.63.11 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Visual Studio Code WSL Extension (Microsoft) Fixed in 0.63.11

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43907
  2. 2026-10-03 Alias added: GHSA-pq7c-f7ch-qfh7
  3. 2026-10-08 EPSS moved to the 90th–95th percentile

References

Patch 1

  • TI-2025-38532 Windows Subsystem for Linux GUI Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2022-21992 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2026-41733 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2022-17732 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.0
  • TI-2026-72811 Race condition in Windows Subsystem for Linux allows local escalation CVSS 3.1HIGH 7.0
  • TI-2025-33684 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.0
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences