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CVE-2026-66800: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Azure Data Factory

0
High
VulnerabilityCVE-2026-66800cvecve-2026-66800cwe-918
Published: 08/20/2026 (08/20/2026, 21:47:08 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Azure Data Factory

Description

CVE-2026-66800 is a high-severity server-side request forgery (SSRF) vulnerability in Microsoft Azure Data Factory. It allows an unauthorized attacker to disclose information over a network without requiring user interaction or privileges. The vulnerability has a CVSS score of 8.6 and has been officially fixed by Microsoft. Since Azure Data Factory is a cloud service, Microsoft manages the remediation on their side.

CVSS v3.1

Score 8.6high

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

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/20/2026, 22:39:00 UTC

Technical Analysis

This vulnerability, identified as CWE-918, involves server-side request forgery in Microsoft Azure Data Factory. An attacker can exploit this flaw to make unauthorized network requests from the service, potentially disclosing sensitive information. The vulnerability is rated high severity with a CVSS 3.1 score of 8.6, indicating network attack vector, low complexity, no privileges or user interaction required, and high confidentiality impact. Microsoft has released an official fix and manages patching for this cloud-hosted service.

Potential Impact

An attacker can exploit this SSRF vulnerability to disclose sensitive information over the network from Azure Data Factory. There is no impact on integrity or availability reported. The vulnerability does not require privileges or user interaction, increasing its risk. No known exploits are reported in the wild at this time.

Mitigation Recommendations

Microsoft has provided an official fix for this vulnerability and manages remediation for Azure Data Factory as a cloud service. Users should ensure their Azure Data Factory instances are updated according to Microsoft's guidance. Check the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66800 for the latest remediation details.

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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: 08/20/2026, 22:39:00 UTC

Last updated: 08/20/2026, 23:32:06 UTC

Views: 2

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