CVE-2026-56155
Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
7.8
CVSS 3.1
0.3 %
EPSS (current)
2026-07-14
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / Active Directory Federation Services
Published: 2026-07-14 · Due (CISA): 2026-07-28
CWE: CWE-1220 · EU list: no
Exploit references (metadata only)
No public exploit references recorded.