CVE-2025-274797.5HighCWE-410

CVE-2025-27479: Kerberos Key Distribution Proxy Service Denial of Service Vulnerability

Microsoft · Windows Server 2012

Vendor fix available · Affected: Microsoft Windows Server 2012 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

2.3%probability of exploitation in the next 30 days

83rd percentile

050100

Higher than 83% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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

Affected products12

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Microsoft · Windows Server 2012from 6.2.9200.0 before 6.2.9200.25423
Microsoft · Windows Server 2012 (Server Core installation)from 6.2.9200.0 before 6.2.9200.25423
Microsoft · Windows Server 2012 R2from 6.3.9600.0 before 6.3.9600.22523
Microsoft · Windows Server 2012 R2 (Server Core installation)from 6.3.9600.0 before 6.3.9600.22523
Microsoft · Windows Server 2016from 10.0.14393.0 before 10.0.14393.7969
Microsoft · Windows Server 2016 (Server Core installation)from 10.0.14393.0 before 10.0.14393.7969
Microsoft · Windows Server 2019from 10.0.17763.0 before 10.0.17763.7136
Microsoft · Windows Server 2019 (Server Core installation)from 10.0.17763.0 before 10.0.17763.7136
Microsoft · Windows Server 2022from 10.0.20348.0 before 10.0.20348.3453
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)from 10.0.25398.0 before 10.0.25398.1551
Microsoft · Windows Server 2025from 10.0.26100.0 before 10.0.26100.3775
Microsoft · Windows Server 2025 (Server Core installation)from 10.0.26100.0 before 10.0.26100.3775

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Insufficient Resource Pool · Denial of Service
Vendor: Microsoft
Published: April 2025
Band: Possible (1 to 10%), April 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-27479 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.