Medium severity · published Oct 16, 2026
CVE-2026-80092
Microsoft Identity Web Elevation of Privilege Vulnerability
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Authentication bypass by assumed-immutable data in Microsoft Identity Web allows an authorized attacker to elevate privileges over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
microsoft-identity-web · Microsoft
>=4.16.0 <4.16.1 before 4.16.1; <3.16.0 before 3.16.0 · source: vendor