All vulnerabilities
CVE-2026-80092

microsoft-identity-web: Microsoft Identity Web Elevation of Privilege Vulnerability

Microsoft microsoft-identity-web
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.60%Chance of exploitation activity in the next 30 days, higher than 48% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.16.1Also 3.16.0CVE List
Published16 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

Description

Authentication bypass by assumed-immutable data in Microsoft Identity Web allows an authorized attacker to elevate privileges over a network.

Text from CVE List

Affected versions 2

  • microsoft-identity-webaffected: >=4.16.0 <4.16.1 before 4.16.1CVE List
  • microsoft-identity-webaffected: <3.16.0 before 3.16.0CVE List

References 1