What’s Vulnerable › Vulnerabilities

CVE-2022-23268: Windows Hyper-V Denial of Service Vulnerability

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-15 · updated 2026-06-17

Description

Windows Hyper-V Denial of Service Vulnerability

Affected products

• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.613 — fixed in 10.0.22000.613
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.643 — fixed in 10.0.20348.643

How to fix

Upgrade to a fixed version: Microsoft Windows 11 21H2 10.0.22000.613; Microsoft Windows Server 2022 10.0.20348.643. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23268
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23268

Get alerted when CVE-2022-23268 or the next vulnerability affects your stack