MICROSOFT-CVE-2026-21527

MEDIUM6.5

Microsoft Exchange Server Spoofing Vulnerability

Published Feb 26, 2026

Modified 2 months ago

Details

User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

References

ADVISORY

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21527

CVSS Analysis

CVSS v2.0

6.5

Upstream

CVE-2026-21527

Ecosystems

Timeline

PublishedFeb 26, 2026

ModifiedFeb 26, 2026