Is CVE-2022-21899 in the CISA KEV catalog?

No. CVE-2022-21899 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21899?

CVE-2022-21899 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-21899?

CVE-2022-21899 has an EPSS score of 1.43% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21899?

Install KB5009585 for Windows 10. Fixes are available for 9 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21899

MEDIUM

5.5

CVSS v3

NVD

Description

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

How to fix

Remediation Available

Windows 10Windows

Install:KB5009585Microsoft

Windows 7Windows

Install:KB5009621Microsoft

Install:KB5009610Microsoft

Windows 8.1Windows

Install:KB5009595Microsoft

Install:KB5009624Microsoft

Windows RT 8.1Windows

Install:KB5009624

Windows Server 2008 R2Windows

Install:KB5009610Microsoft

Install:KB5009621Microsoft

Windows Server 2012Windows

Install:KB5009619Microsoft

Install:KB5009586Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5009586Microsoft

Install:KB5009619Microsoft

Windows Server 2012 R2Windows

Install:KB5009624Microsoft

Install:KB5009595Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5009595Microsoft

Install:KB5009624Microsoft

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

1.43%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Other references3

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Markdown

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HTML

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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.