CVE-2026-57100: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft Entra Provisioning Service
Server-side request forgery (ssrf) in Microsoft Entra Provisioning Service (SyncFabric) allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-918, involves a Server-Side Request Forgery (SSRF) flaw in Microsoft Entra Provisioning Service. An attacker with some level of authorization can exploit this flaw to perform unauthorized network requests, leading to privilege escalation. The vulnerability is rated critical with a CVSS 3.1 score of 9.9, reflecting its potential to cause complete compromise of the affected system. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges over the network, potentially leading to full compromise of confidentiality, integrity, and availability of the affected service.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57100 to remediate this vulnerability.
CVE-2026-57100: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-918, involves a Server-Side Request Forgery (SSRF) flaw in Microsoft Entra Provisioning Service. An attacker with some level of authorization can exploit this flaw to perform unauthorized network requests, leading to privilege escalation. The vulnerability is rated critical with a CVSS 3.1 score of 9.9, reflecting its potential to cause complete compromise of the affected system. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges over the network, potentially leading to full compromise of confidentiality, integrity, and availability of the affected service.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57100 to remediate this vulnerability.
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: 08/10/2026, 13:38:24 UTC
Last updated: 08/17/2026, 00:41:13 UTC
Views: 203
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