Windows Hyper-V Denial of Service Vulnerability
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Windows Hyper-V Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00653 51st percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.643 | 10.0.20348.643 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.613 | 10.0.22000.613 | Patch available | CNA |
Remediation
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23268
- 2026-10-03 Alias added: GHSA-2fj9-2rp2-mmg4
- 2026-10-14 EPSS moved to the 50th–90th percentile
References
More Microsoft Windows 11 vulnerabilities
- TI-2021-17499 Win32k Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-08140 Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2022-12476 Windows Server Service Tampering Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2022-23268 · CVE Program
- CVE-2022-23268 · NVD
- FIRST EPSS
- GHSA-2fj9-2rp2-mmg4 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-23268 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences