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CVE-2025-53782

Microsoft Exchange Server Elevation of Privilege Vulnerability

CVSS 8.4 HIGHEPSS 0.3%CWE-303
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 23Microsoft · Microsoft Exchange Server 2019 Cumulative Update 14Microsoft · Microsoft Exchange Server 2019 Cumulative Update 15Microsoft · Microsoft Exchange Server Subscription Edition RTM

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References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53782