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CVE-2026-56155

Active Directory Federation Services Elevation of Privilege Vulnerability

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 1 Nov 2026 18:57:17 UTC. Read the latest advisory.

cve-program · CVE-2026-56155

Published

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

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-56155

Published

Active Directory Federation Services Elevation of Privilege Vulnerability

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

Source published
14 Jul 2026 17:05:11 UTC
Source modified
1 Nov 2026 17:32:48 UTC
Saved here
1 Nov 2026 18:57:17 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Nov 12:27 UTC · 273 of 275 readable · 269 fully read · documentation 469/469 current

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