Name: CVE-2026-21527: User Interface (UI) Misrepresentation of Critical Information
Creator: Rapid7
Published: 2026-02-10T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-21527, CWE-451, CWE-1286, CWE-345, CVSS 6.5, EPSS 0.08256

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

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Exchange	—	Download and install Microsoft KB5074993Download and install Microsoft KB5074994Download and install Microsoft KB5074995Download and install Microsoft KB5074992	Feb 10, 2026	Feb 10, 2026

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CVSS Details

Covered by Rapid7

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