Entra ID
CVE-2026-57100: Microsoft Entra Provisioning Service Elevation of Privilege Vulnerability
Server-side request forgery (ssrf) in Microsoft Entra Provisioning Service (SyncFabric) allows an authorized attacker to elevate privileges over a network.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 3.1 9.9
EPSS0.78%Chance of exploitation in 30 days
Public exploitNot tracked
FixNot yet
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Microsoft Entra Provisioning Service - | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Server-side request forgery (ssrf) in Microsoft Entra Provisioning Service (SyncFabric) allows an authorized attacker to elevate privileges over a network.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.