CVE-2026-69361

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Microsoft Exchange Server Server-Side Request Forgery

Publication date: 2026-09-08

Last updated on: 2026-09-09

Assigner: Microsoft Corporation

Description

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-09

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69361

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	exchange_server	*

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 Exchange Server. It allows an authorized attacker to perform spoofing over a network by manipulating the server into making unauthorized requests.

Impact Analysis

An attacker could exploit this to access internal systems, bypass firewalls, or steal sensitive data by tricking the server into sending requests to unintended destinations.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) by exposing sensitive information.

Mitigation Strategies

Apply the latest security updates from Microsoft for Exchange Server to patch the SSRF vulnerability. Monitor Microsoft's security advisories for Exchange Server and restrict unauthorized network access to Exchange services.

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