Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
Priority LOW 33CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0038 32nd percentileScored 2026-11-07
Fix Fixed Azure EFLOW (Microsoft): 1.4.2.12122 LTSWindows Subsystem for Linux (WSL2) (Microsoft): 5.15.62.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Azure EFLOW | 1.4.0.0 to before 1.4.2.12122 LTS | 1.4.2.12122 LTS | Patch available | CNA |
| Microsoft | Windows Subsystem for Linux (WSL2) | 5.0.0.0 to before 5.15.62.1 | 5.15.62.1 | Patch available | CNA |
Remediation
- Fix · CNA Azure EFLOW (Microsoft) Fixed in 1.4.2.12122 LTS
- Fix · CNA Windows Subsystem for Linux (WSL2) (Microsoft) Fixed in 5.15.62.1
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- —
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Azure EFLOW | Fixed | 1.4.2.12122 LTS · Security Update |
| Windows Subsystem for Linux (WSL2) | Fixed | 5.15.62.1 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-38014
- 2026-10-03 Alias added: GHSA-m4gv-frxm-mf27
Sources
- CVE-2022-38014 · CVE Program
- CVE-2022-38014 · NVD
- FIRST EPSS
- GHSA-m4gv-frxm-mf27 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-38014 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences