CVE-2025-27479

HIGHNVD 7.57.5—Trending — 4 sources updated this weekElevated

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 96.7%
KEV: Not listed

Published

April 8, 2025

Last Modified

July 8, 2025

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27479

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-410

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2025-274792025-04-08
Kerberos Key Distribution Proxy Service Denial of Service Vulnerability

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-30 07:49 UTCEG score recompute
2026-05-30 07:49 UTCVendor advisory
2026-05-30 07:49 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-27479?

CVE-2025-27479 is a high vulnerability published on April 8, 2025. Insufficient resource pool in Windows Kerberos allows an unauthorized attacker to deny service over a network.

When was CVE-2025-27479 disclosed?

CVE-2025-27479 was first published in the National Vulnerability Database on April 8, 2025, with the most recent update on July 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-27479 actively exploited?

CVE-2025-27479 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2025-27479?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27479, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-27479

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