Server-Side Request Forgery in Microsoft Entra Provisioning Service by Microsoft
CVE-2026-57100

9.9CRITICAL

Key Information:

Vendor

Microsoft
Status
Microsoft Entra Provisioning Service
Vendor
CVE Published:
2 July 2026

What is CVE-2026-57100?

A server-side request forgery (SSRF) vulnerability exists in Microsoft Entra Provisioning Service (SyncFabric). This flaw allows an authorized attacker to make unauthorized requests over a network, potentially leading to elevated privileges. It's essential for users to assess and mitigate this vulnerability to protect their network environment.

Affected Version(s)

Microsoft Entra Provisioning Service -

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.