CVE-2026-83711
Medium
Elevated severity or exploit probability.
CVSS base
10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.8%
55.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-639
Published 2026-09-03 · modified 2026-09-08
Description
Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.