CVE & CISA-KEV Catalog

CVE-2025-21224

HIGHEPSS 78th pctl
8.1
CVSS v3
NVD

Description

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

CWE-416Use After FreeCWE-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

1.91%probability of exploitation in 30 days
78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Other references2

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2019-0708Critical9.8100%KEV + Ransom-
CVE-2021-31166Critical9.8100%KEVFix
CVE-2015-5119Critical9.899%KEV-
CVE-2010-3962High8.196%KEV-
CVE-2015-0313Critical9.896%KEVFix
CVE-2021-34833High7.896%--

Common questions

How do I fix CVE-2025-21224?

Published advisories record a fix for 10 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-21224 being actively exploited?

Not that we know of. CVE-2025-21224 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 78% of all scored CVEs.

How severe is CVE-2025-21224?

CVE-2025-21224 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-21224 affect?

Published advisories record a fix for Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), Windows 11 Version 22H2 (Windows), Windows 11 Version 23H2 (Windows), and 6 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2025-21224 severity badge

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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.