CVE-2026-45583
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Code Injection in Microsoft Exchange Server

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code 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-2026-45583
EUVD
EUVD-2026-35681
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft exchange_server *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
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Executive Summary

This vulnerability involves improper control of code generation, also known as 'code injection', in Microsoft Exchange Server. It allows an unauthorized attacker to execute code remotely over a network.

Impact Analysis

The vulnerability can lead to remote code execution by an unauthorized attacker, which means the attacker could run malicious code on the affected Microsoft Exchange Server. This can compromise the confidentiality, integrity, and availability of the system.

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