CVE-2026-45583

Published: Jun 9, 2026Modified: Jun 17, 2026

8.1

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.2 / Impact: 5.9

Source: NVD

Description

Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

Affected (4)

Products: Microsoft: Exchange Server, Exchange Server Subscription Edition

Microsoft

2 products

Exchange Server

Exchange Server Subscription Edition

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Microsoft Exchange Server	Version 2016 cumulative_update_23
Microsoft Exchange Server	Version 2019 cumulative_update_14
Microsoft Exchange Server	Version 2019 cumulative_update_15
Microsoft Exchange Server Subscription Edition	Before 15.02.2562.043

Related CWEs

CWE-94

Improper Control of Generation of Code ('Code Injection')

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.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45583

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.