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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2025-64666

Microsoft Exchange Server Elevation of Privilege Vulnerability

Description

Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges 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 < 15.01.2507.063affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 14

  • 15.02.0.0 to < 15.02.1544.037affected

Microsoft Microsoft Exchange Server 2019 Cumulative Update 15

  • 15.02.0.0 to < 15.02.1748.042affected

Microsoft Microsoft Exchange Server Subscription Edition RTM

  • 15.02.0.0 to < 15.02.2562.035affected

References