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CVE-2026-70306ImportantMonitor

Microsoft Office SharePoint Spoofing Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 9.3)

Spoofing · Important · CVSS 9.3. Affects: SharePoint Server.

CVSS 9.3EPSS 0.7%Security update published 2026-08-23Applies to On-premisesKB5002905NVD

Affected: SharePoint Server

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