Is CVE-2022-21995 in the CISA KEV catalog?

No. CVE-2022-21995 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21995?

CVE-2022-21995 has a CVSS v3 base score of 7.9 (HIGH).

What is the EPSS score for CVE-2022-21995?

CVE-2022-21995 has an EPSS score of 0.97% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21995?

Install KB5010358 for Windows 10. Fixes are available for 14 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21995

HIGH

7.9

CVSS v3

NVD

Description

Windows Hyper-V Remote Code Execution Vulnerability

How to fix

Remediation Available

Windows 10Windows

Install:KB5010358Microsoft

Windows 10 Version 1607Windows

Install:KB5010359Microsoft

Windows 10 Version 1809Windows

Install:KB5010351Microsoft

Windows 10 Version 1909Windows

Install:KB5010345Microsoft

Windows 10 Version 21H1Windows

Install:KB5010342Microsoft

Windows 10 Version 21H2Windows

Install:KB5010342Microsoft

Windows 11 version 21H2Windows

Install:KB5010386Microsoft

Windows Server 2016Windows

Install:KB5010359Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5010359Microsoft

Windows Server 2019Windows

Install:KB5010351Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5010351Microsoft

Windows Server 2022Windows

Install:KB5010456

Install:KB5010354Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5010456

Install:KB5010354Microsoft

Windows Server, version 20H2 (Server Core Installation)Windows

Install:KB5010342Microsoft

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 VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% 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.