Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability . Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 14/07/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| Active Directory Federation Services | Versions not published yet (product named by CISA KEV) | |
Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally.
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