CVE-2026-57100

Critical

Description

Server-side request forgery (ssrf) in Microsoft Entra Provisioning Service (SyncFabric) allows an authorized attacker to elevate privileges over a network.

SeverityCritical

CVSS9.9

Exploit probability—

Product

Microsoft Entra Provisioning Service

PublishedJul 2, 2026

First seenJul 2, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57100

Affected products

Product	Affected versions	Fixed in
microsoft entra_provisioning_service	No range specified	—

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