THREAT OPS › Threat News › [CISA KEV] CVE-2026-56155 — Microsoft Active Directory Federation Services: Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
[CISA KEV] CVE-2026-56155 — Microsoft Active Directory Federation Services: Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
CVE: CVE-2026-56155 Vendor: Microsoft Product: Active Directory Federation Services Vulnerability: Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability Date Added: 2026-07-14 Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in
MITRE ATT&CK techniques
- Cloud ServicesT1021.007
Indicators of compromise
- CVE-2026-56155cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-56155