CVE-2025-21218
published 2025-01-14CVE-2025-21218: Windows Kerberos Denial of Service Vulnerability Windows Kerberos Denial of Service Vulnerability
high7.5
Windows Kerberos Denial of Service Vulnerability
Windows Kerberos Denial of Service Vulnerability
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25273 | 6.2.9200.25273 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22371 | 6.3.9600.22371 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.7699 | 10.0.14393.7699 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.6775 | 10.0.17763.6775 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.3091 | 10.0.20348.3091 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.2894 | 10.0.26100.2894 |
| msrc | windows_server_2012 | — | — |
| msrc | windows_server_2012_r2 | — | — |
| msrc | windows_server_2016 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
Microsoft
Windows Kerberos Denial of Service Vulnerability
vendor_msrc·2025-01-14·CVSS 7.5
CVE-2025-21218 [HIGH] CWE-400 Windows Kerberos Denial of Service Vulnerability
Windows Kerberos Denial of Service Vulnerability
FAQ: How could an attacker exploit this vulnerability?
An unauthenticated attacker could use a specially crafted application to leverage a protocol vulnerability in the Kerberos Key Distribution Center (KDC) Proxy Service to perform denial of service against the target.
Windows Kerberos: Windows Kerberos
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Denial of Service
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5050008
Reference: https://support.microsoft.com/help/5050008
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5049983
Reference: https://support.microsoft.com/hel
CVEList
Windows Kerberos Denial of Service Vulnerability
cvelistv5·2025-01-14·CVSS 7.5
CVE-2025-21218 [HIGH] CWE-400 Windows Kerberos Denial of Service Vulnerability
Windows Kerberos Denial of Service Vulnerability
Windows Kerberos Denial of Service Vulnerability
No detection rules found.
No public exploits indexed.
2025-01-14
Published