CVE-2026-69395: Active Directory Certificate Services (AD CS) Information Disclosure Vulnerability
Active Directory Certificate Services (AD CS) Information Disclosure Vulnerability
Other sources
Use of externally-controlled format string in Active Directory Certificate Services (AD CS) allows an authorized attacker to disclose information over a network.
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker must be authorized and have low-level privileges. Exploitation can be performed remotely over a network and does not require user interaction.
What is the likely impact if exploitation succeeds?
Successful exploitation may disclose information. The provided severity data indicates high confidentiality impact, with no indicated integrity or availability impact.
Which systems should be reviewed for exposure?
Review Microsoft Windows 10 and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 systems that use Active Directory Certificate Services. The provided data does not state whether AD CS is installed or enabled by default on these systems.