CVE-2026-45503

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server (affected versions not specified)

Description An improper authorization issue leads to Server-side Request Forgery (SSRF), a flaw where a server is tricked into making unintended requests to an internal or external resource. This allows an authorized attacker to disclose information over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.