Is CVE-2025-55681 in the CISA KEV catalog?

No. CVE-2025-55681 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-55681?

CVE-2025-55681 has a CVSS v3 base score of 7.0 (Important).

What is the EPSS score for CVE-2025-55681?

CVE-2025-55681 has an EPSS score of 5.23% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55681?

Install KB5066586 for Windows 10 Version 1809. Fixes are available for 14 affected products.

CVE & CISA-KEV Catalog

CVE-2025-55681

HIGHEPSS 92th pctl

7.0

CVSS v3

NVD

Description

Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally.

CWE-125Out-of-bounds Read CWE-822Untrusted Pointer Dereference

How to fix

Remediation Available

Windows 10 Version 1809Windows

Install:KB5066586Microsoft

Windows 10 Version 21H2Windows

Install:KB5066791Microsoft

Windows 10 Version 22H2Windows

Install:KB5066791Microsoft

Windows 11 Version 22H2Windows

Install:KB5066793Microsoft

Windows 11 Version 23H2Windows

Install:KB5066793Microsoft

Windows 11 Version 24H2Windows

Install:KB5066835Microsoft

Windows 11 Version 25H2Windows

Install:KB5066835Microsoft

Windows Server 2019Windows

Install:KB5066586Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5066586Microsoft

Windows Server 2022Windows

Install:KB5066782Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5066782Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5066780Microsoft

Windows Server 2025Windows

Install:KB5066835Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5066835Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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/E:U/RL:O/RC:C

Exploit Intelligence

5.23%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix
CVE-2023-49285	High	8.6	89%	-	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 2025-10-24.