Is CVE-2025-27479 in the CISA KEV catalog?

No. CVE-2025-27479 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-27479?

CVE-2025-27479 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-27479?

CVE-2025-27479 has an EPSS score of 2.02% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27479?

Install KB5055581 for Windows Server 2012. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2025-27479

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

Insufficient resource pool in Windows Kerberos allows an unauthorized attacker to deny service over a network.

CWE-410

How to fix

Remediation Available

Windows Server 2012Windows

Install:KB5055581Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5055581Microsoft

Windows Server 2012 R2Windows

Install:KB5055557Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5055557Microsoft

Windows Server 2016Windows

Install:KB5055521Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5055521Microsoft

Windows Server 2019Windows

Install:KB5055519Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5055519Microsoft

Windows Server 2022Windows

Install:KB5055526Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5055526Microsoft

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

Install:KB5055527Microsoft

Windows Server 2025Windows

Install:KB5055523Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5055523Microsoft

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.02%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-410 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-40224	High	7.5	65%	-	-
CVE-2022-2048	High	7.5	2.3%	-	Fix
CVE-2018-13815	High	7.5	1.8%	-	Fix
CVE-2019-13921	High	7.5	1.4%	-	-
CVE-2021-1615	High	8.6	1.3%	-	-
CVE-2019-0056	High	7.5	1.3%	-	-

Embed a live status badge for CVE-2025-27479

Markdown

[![CVE-2025-27479](https://tridentstack.com/cve/badge/CVE-2025-27479.svg)](https://tridentstack.com/cve/CVE-2025-27479)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-27479"><img src="https://tridentstack.com/cve/badge/CVE-2025-27479.svg" alt="CVE-2025-27479"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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 2025-07-08.