VULNERABILITY INTELLIGENCE

CVE-2026-56155

CVSS score7.8 HIGH
EPSS probability0.35%
CISA KEVKnown exploited vulnerability
Published2026-07-14
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability

Vendor / product: Microsoft / Active Directory Federation Services

Description

Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally.

Weakness classification

  • secure@microsoft.com: CWE-1220

Primary references