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CVE-2026-55009

microsoft · exchange server

Published
CVSS7.8
Severityhigh
WeaknessCWE-502
ExploitedNot in CISA KEV

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

References

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