CVE-2026-45504
Undergoing Analysis Undergoing Analysis - In Progress
Microsoft Exchange Server Server-Side Request Forgery Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-45504
EUVD
EUVD-2026-35680
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft exchange_server *
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Compliance Impact

The vulnerability allows an authorized attacker to elevate privileges over a network in Microsoft Exchange Server, which could potentially lead to unauthorized access to sensitive data.

Such unauthorized access and privilege escalation may impact compliance with standards and regulations like GDPR and HIPAA, which require protection of personal and health information.

However, the provided information does not explicitly describe the direct effects on compliance with these regulations.

Executive Summary

This vulnerability is a server-side request forgery (SSRF) issue in Microsoft Exchange Server. It allows an authorized attacker to send crafted requests from the server, which can lead to elevated privileges over the network.

Impact Analysis

The vulnerability can impact you by allowing an attacker with some level of authorization to elevate their privileges, potentially gaining higher access rights than intended. This can lead to unauthorized access, data compromise, and disruption of services.

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