What’s Vulnerable › Vulnerabilities

CVE-2022-21973: Windows Media Center Update 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: 2022-03-09 · updated 2026-06-17

Description

Windows Media Center Update Denial of Service Vulnerability

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2012: r2
• Microsoft Windows 7: from 6.1.0 before 6.1.7601.25898 — fixed in 6.1.7601.25898
• Microsoft Windows 7 Service Pack 1: from 6.1.0 before 6.1.7601.25898 — fixed in 6.1.7601.25898
• Microsoft Windows 8.1: from 6.3.0 before 6.3.9600.20303 — fixed in 6.3.9600.20303
• Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.23645 — fixed in 6.2.9200.23645
• Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20303 — fixed in 6.3.9600.20303

How to fix

Upgrade to a fixed version: Microsoft Windows 7 6.1.7601.25898; Microsoft Windows 7 Service Pack 1 6.1.7601.25898; Microsoft Windows 8.1 6.3.9600.20303; Microsoft Windows Server 2012 6.2.9200.23645; Microsoft Windows Server 2012 R2 6.3.9600.20303. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21973
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21973

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