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CVE-2026-57100: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft Entra Provisioning Service

0
Critical
VulnerabilityCVE-2026-57100cvecve-2026-57100cwe-918gcve
Published: 07/02/2026 (07/02/2026, 22:18:55 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Microsoft Entra Provisioning Service

Description

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

CVSS v3.1

Score 9.9critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

Microsoft Entra Provisioning Service

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/17/2026, 14:08:59 UTC

Technical Analysis

This vulnerability, identified as CWE-918, affects Microsoft Entra Provisioning Service and enables an authorized attacker to perform SSRF attacks that can lead to privilege escalation over the network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, and complete impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.

Potential Impact

Successful exploitation allows an authorized attacker to elevate privileges within the network, potentially compromising confidentiality, integrity, and availability of the affected service. The critical CVSS score reflects the severity of the impact.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the patch as provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57100 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-06-23T18:29:51.054Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57100","vendor":"Microsoft"}]

Threat ID: 6a46e7f427e9c797193afcba

Added to database: 07/02/2026, 22:36:36 UTC

Last enriched: 08/17/2026, 14:08:59 UTC

Last updated: 10/01/2026, 00:48:05 UTC

Views: 257

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