Is CVE-2023-36434 in the CISA KEV catalog?

No. CVE-2023-36434 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-36434?

CVE-2023-36434 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-36434?

CVE-2023-36434 has an EPSS score of 2.19% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-36434?

Install KB5031377 for Windows 10. Fixes are available for 19 affected products.

CVE & CISA-KEV Catalog

CVE-2023-36434

CRITICALEPSS 80th pctl

9.8

CVSS v3

NVD

Description

Windows IIS Server Elevation of Privilege Vulnerability

CWE-307

How to fix

Remediation Available

Windows 10Windows

Install:KB5031377Microsoft

Windows 10 Version 1607Windows

Install:KB5031362Microsoft

Windows 10 Version 1809Windows

Install:KB5031361Microsoft

Windows 10 Version 21H2Windows

Install:KB5031356Microsoft

Windows 10 Version 22H2Windows

Install:KB5031356Microsoft

Windows 11 Version 22H2Windows

Install:KB5031354Microsoft

Windows 11 version 21H2Windows

Install:KB5031358Microsoft

Windows Server 2008Windows

Install:KB5031411Microsoft

Install:KB5031416Microsoft

Windows Server 2008 R2Windows

Install:KB5031408Microsoft

Install:KB5031441Microsoft

Windows Server 2012Windows

Install:KB5031442Microsoft

Install:KB5031427Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5031427Microsoft

Install:KB5031442Microsoft

Windows Server 2012 R2Windows

Install:KB5031407Microsoft

Install:KB5031419Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5031407Microsoft

Install:KB5031419Microsoft

Windows Server 2016Windows

Install:KB5031362Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5031362Microsoft

Windows Server 2019Windows

Install:KB5031361Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5031361Microsoft

Windows Server 2022Windows

Install:KB5031364Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5031364Microsoft

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.19%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

msrc.microsoft.com

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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.