HIGHCVSS 8.1
CVE-2026-45503
CVE-2026-45503 updated by NVD
Summary
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
References
Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.
CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.