CVE-2026-69624
MediumCVSS 6.5Exploitation Probability (EPSS)
Elevated risk53th percentile - higher than 53% of all known CVEs
Summary
An incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) allows an authorized attacker to perform tampering over a network.
Risk Assessment
The attack could allow modification of certificate-related data, potentially compromising the integrity of the PKI infrastructure and trust in certificates.
Recommendation
Update AD CS to the latest version and review input validation policies.
Other vulnerabilities in Active Directory Certificate Services
See all- CVE-2026-83666High
Concurrent execution using shared resource with improper synchronization ('race condition') in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69395Medium
The vulnerability in Active Directory Certificate Services (AD CS) involves the use of an externally-controlled format string. This allows an authorized attacker to disclose information over a network.
- CVE-2026-62810High
Heap-based buffer overflow in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-62818High
Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.
- CVE-2026-54121High
An improper authorization vulnerability in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
Original NVD description (English source)
Incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) allows an authorized attacker to perform tampering over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

