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Fencer Vulns
medium 6.5

CVE-2025-29968 json

Active Directory Certificate Services (AD CS) Denial of Service Vulnerability

published 2025-05-13 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14469

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Improper input validation in Active Directory Certificate Services (AD CS) allows an authorized attacker to deny service over a network.

Patch / fix

  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27729
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27729
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.23279
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.23279
  • Microsoft Windows Server 2012 6.2.9200.25475
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25475
  • Microsoft Windows Server 2012 R2 6.3.9600.22577
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22577
  • Microsoft Windows Server 2016 10.0.14393.8066
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8066
  • Microsoft Windows Server 2019 10.0.17763.7314
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7314
  • Microsoft Windows Server 2022 10.0.20348.3692
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1611

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.