Is CVE-2021-34500 in the CISA KEV catalog?

No. CVE-2021-34500 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34500?

CVE-2021-34500 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-34500?

CVE-2021-34500 has an EPSS score of 2.27% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34500?

Install KB5010358 for Windows 10. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2021-34500

MEDIUMEPSS 81th pctl

6.3

CVSS v3

NVD

Description

Windows Kernel Memory Information Disclosure Vulnerability

How to fix

Remediation Available

Windows 10Windows

Install:KB5010358Microsoft

Windows 10 Version 1607Windows

Install:KB5010359Microsoft

Windows 10 Version 1809Windows

Install:KB5004244Microsoft

Windows 10 Version 1909Windows

Install:KB5004245Microsoft

Windows 10 Version 2004Windows

Install:KB5004237Microsoft

Windows 10 Version 20H2Windows

Install:KB5004237Microsoft

Windows 10 Version 21H1Windows

Install:KB5004237Microsoft

Windows 7Windows

Install:KB5010422Microsoft

Install:KB5010404Microsoft

Windows 8.1Windows

Install:KB5010419Microsoft

Install:KB5010395Microsoft

Windows RT 8.1Windows

Install:KB5010419

Windows Server 2008Windows

Install:KB5010384Microsoft

Install:KB5010403Microsoft

Windows Server 2008 R2Windows

Install:KB5010404Microsoft

Install:KB5010422Microsoft

Windows Server 2012Windows

Install:KB5010412Microsoft

Install:KB5010392Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5010392Microsoft

Install:KB5010412Microsoft

Windows Server 2012 R2Windows

Install:KB5010395Microsoft

Install:KB5010419Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5010419Microsoft

Install:KB5010395Microsoft

Windows Server 2016Windows

Install:KB5010359Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5010359Microsoft

Windows Server 2019Windows

Install:KB5004244Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5004244Microsoft

Windows Server, version 2004 (Server Core installation)Windows

Install:KB5004237Microsoft

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

Install:KB5004237Microsoft

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 VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.27%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

Embed a live status badge for CVE-2021-34500

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.