CVE-2026-66800: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Azure Data Factory
Description
Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.
CVSS v3.1
Score 8.6high
Affected software
Microsoft
Azure Data Factory
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-66800 and classified under CWE-918, involves a server-side request forgery flaw in Microsoft Azure Data Factory. An attacker without privileges can exploit this flaw to cause the service to make unauthorized network requests, potentially disclosing sensitive information. The CVSS v3.1 base score is 8.6, reflecting high impact on confidentiality with no impact on integrity or availability. Microsoft has released an official fix and manages patching for this cloud-hosted service.
Potential Impact
The vulnerability allows unauthorized attackers to perform SSRF attacks that can lead to information disclosure over the network. The impact is rated high due to the potential confidentiality breach. There is no reported impact on data integrity or availability. No active exploitation has been observed.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As Azure Data Factory is a cloud service, Microsoft manages the remediation and applies patches server-side. Users should ensure their Azure Data Factory instances are updated according to Microsoft's guidance available in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66800.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-27T19:02:26.600Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66800","vendor":"Microsoft"}]
Threat ID: 6a87778aacd9273b492c5eae
Added to database: 08/20/2026, 21:54:18 UTC
Last enriched: 09/29/2026, 02:56:00 UTC
Last updated: 10/05/2026, 06:48:18 UTC
Views: 71
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