HIGHCVSS 7.8
CVE-2026-55006
CVE-2026-55006 updated by NVD
Summary
Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
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.