Is CVE-2022-21996 in the CISA KEV catalog?

No. CVE-2022-21996 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21996?

CVE-2022-21996 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-21996?

CVE-2022-21996 has an EPSS score of 3.05% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21996?

Install KB5010386 for Windows 11 version 21H2.

CVE & CISA-KEV Catalog

CVE-2022-21996

HIGHEPSS 86th pctl

7.8

CVSS v3

NVD

Description

Win32k Elevation of Privilege Vulnerability

How to fix

Remediation Available

Windows 11 version 21H2Windows

Install:KB5010386Microsoft

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.05%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% 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.