INFRA Signal 363
Microsoft fixes exploited Entra ID flaw rated 10.0; no customer patch needed
Microsoft has fixed a maximum-severity Entra ID vulnerability that was already exploited in the wild, but has not disclosed details of the attacks.
Entra ID is central to identity and access management for Microsoft customers, and this flaw allowed unauthenticated remote code execution without user interaction. Even though Microsoft mitigated it server-side, the lack of disclosure leaves customers uncertain about exposure and forces them to monitor for signs of compromise.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
The vulnerability, CVE-2026-69836, carries a CVSS score of 10.0 and stems from unsafe deserialization of untrusted data.
Microsoft has fully mitigated the flaw and stated that no customer action is required.
Microsoft has not disclosed who exploited the flaw, when attacks began, or how widespread they were.
THE CLUSTER