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CVE PROGRAM SOURCE RECORD9.6 Critical

CVE-2026-55008

Microsoft Exchange Server Spoofing Vulnerability

Description

Improper neutralization of input during web page generation ('cross-site scripting') 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 < 15.01.2507.071affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 14

  • 15.02.0.0 to < 15.02.1544.043affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 15

  • 15.02.0.0 to < 15.02.1748.048affected

Microsoft Microsoft Exchange Server Subscription Edition RTM

  • 15.02.0.0 to < 15.02.2562.045affected

References