CVE-2026-65818

Received Received - Intake

Power Automate Server-Side Request Forgery (SSRF) Vulnerability

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Microsoft Corporation

Description

Server-side request forgery (ssrf) in Power Automate allows an authorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-03

Last Modified

2026-09-03

Generated

2026-09-04

AI Q&A

2026-09-04

EPSS Evaluated

N/A

NVD

CVE-2026-65818

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	power_automate	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-918	The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Attack-Flow Graph

Executive Summary

This is a server-side request forgery (SSRF) vulnerability in Microsoft Power Automate. An authorized attacker can exploit it to send crafted requests from the server, potentially leading to unauthorized actions or privilege escalation over the network.

Impact Analysis

An attacker could leverage this to access internal systems, steal sensitive data, or perform unauthorized actions on behalf of the user. The high CVSS score (8.5) indicates significant impact, including confidentiality, integrity, and availability risks.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Implement network segmentation to restrict unauthorized access. Update Power Automate to the latest version to patch known vulnerabilities. Monitor network traffic for unusual outbound requests that may indicate SSRF activity.

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