What’s Vulnerable › Vulnerabilities

CVE-2026-57100: Microsoft Entra Provisioning Service Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-02 · updated 2026-10-28
• Weakness: CWE-918

Description

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

Affected products

• Microsoft Entra Provisioning Service: all versions
• Microsoft Entra Provisioning Service: all versions

References

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

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