CVE-2026-45501

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

Score

CVSS 3.1 6.5 Medium

Status

Modified - secure@microsoft.com

Published

2026-06-09

Last modified

2026-09-24

Weaknesses

CWE-79, CWE-918

Affected products

• Exchange Server (Microsoft)
• Exchange Server 2016 (Microsoft)
• Exchange Server 2019 (Microsoft)
• Exchange Server Se (Microsoft)
• Exchange Server Subscription Edition (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45501