M365 Change Tracker

← All changes · security · CVE-2026-58277

CVE-2026-58277ImportantMonitor

Microsoft SharePoint Elevation of Privilege Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 8.8)

Elevation of Privilege · Important · CVSS 8.8. Affects: SharePoint Server.

CVSS 8.8EPSS 0.9%Security update published 2026-08-21Applies to On-premisesKB5002891NVD

Affected: SharePoint Server

Related changes

View at Microsoft →