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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-21527

Microsoft Exchange Server Spoofing Vulnerability

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft Exchange Server 2016 Cumulative Update 23

  • 15.01.0.0 to < 15.01.2507.066affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 14

  • 15.02.0.0 to < 15.02.1544.039affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 15

  • 15.02.0.0 to < 15.02.1748.043affected

Microsoft Microsoft Exchange Server Subscription Edition RTM

  • 15.02.0.0 to < 15.02.2562.037affected

References