Is CVE-2025-21224 in the CISA KEV catalog?

No. CVE-2025-21224 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-21224?

CVE-2025-21224 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2025-21224?

CVE-2025-21224 has an EPSS score of 1.87% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-21224?

Install KB5049981 for Windows 10 Version 21H2. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2025-21224

HIGHEPSS 77th pctl

8.1

CVSS v3

NVD

Description

Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability

CWE-416Use After Free CWE-591

How to fix

Remediation Available

Windows 10 Version 21H2Windows

Install:KB5049981Microsoft

Windows 10 Version 22H2Windows

Install:KB5049981Microsoft

Windows 11 Version 22H2Windows

Install:KB5050021Microsoft

Windows 11 Version 23H2Windows

Install:KB5050021Microsoft

Windows 11 Version 24H2Windows

Install:KB5050009Microsoft

Windows Server 2022Windows

Install:KB5049983Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5049983Microsoft

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

Install:KB5049984Microsoft

Windows Server 2025Windows

Install:KB5050009Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5050009Microsoft

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 VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.87%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch1

msrc.microsoft.com

Other references2

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 2025-05-29.