SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-80092

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

MEDIUM 5.3EPSS 0.62%

Does this matter?

Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.62% probability · 49th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-302
Source
secure@microsoft.com
EPSS trend
0%3%5%17 October 2026: 0.60%26 October 2026: 0.62%17 October 202626 October 2026

EPSS moved from 0.6% on 17 October 2026 to 0.6% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.