msrc_CVE-2026-21527

csafUSmsrc_csaf

Microsoft Exchange Server Spoofing Vulnerability

view advisory published 2026-02-10

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21527US—OT elevated—
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
02

references

External citations — patches, advisories, analysis.

03

remediations (4)

scry

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