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CVE-2026-55005ImportantMonitor

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 8.8)

Remote Code Execution · Important · CVSS 8.8. Affects: Exchange Server.

CVSS 8.8EPSS 0.7%Security update published 2026-08-21Applies to On-premisesNVD

Affected: Exchange Server

Related changes

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