Is CVE-2022-21973 in the CISA KEV catalog?

No. CVE-2022-21973 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21973?

CVE-2022-21973 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-21973?

CVE-2022-21973 has an EPSS score of 0.61% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21973?

Install KB5011552 for Windows 7. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21973

MEDIUM

5.5

CVSS v3

NVD

Description

Windows Media Center Update Denial of Service Vulnerability

How to fix

Remediation Available

Windows 7Windows

Install:KB5011552Microsoft

Install:KB5011529Microsoft

Windows 8.1Windows

Install:KB5011560Microsoft

Install:KB5011564Microsoft

Windows RT 8.1Windows

Install:KB5011564

Windows Server 2012Windows

Install:KB5011535Microsoft

Install:KB5011527Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5011527Microsoft

Install:KB5011535Microsoft

Windows Server 2012 R2Windows

Install:KB5011564Microsoft

Install:KB5011560Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5011564Microsoft

Install:KB5011560Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.61%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Other references1

msrc.microsoft.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.