Is CVE-2023-29361 in the CISA KEV catalog?

No. CVE-2023-29361 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-29361?

CVE-2023-29361 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2023-29361?

CVE-2023-29361 has an EPSS score of 3.94% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-29361?

Install KB5027215 for Windows 10 Version 21H2. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2023-29361

HIGHEPSS 89th pctl

7.0

CVSS v3

NVD

Description

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CWE-416Use After Free

How to fix

Remediation Available

Windows 10 Version 21H2Windows

Install:KB5027215Microsoft

Windows 10 Version 22H2Windows

Install:KB5027215Microsoft

Windows 11 Version 22H2Windows

Install:KB5027231Microsoft

Windows 11 version 21H2Windows

Install:KB5027223Microsoft

Windows Server 2022Windows

Install:KB5027225Microsoft

Install:KB5027319Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5027225Microsoft

Install:KB5027319Microsoft

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.94%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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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 2025-04-08.