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CVE-2026-58617ImportantMonitor

M365 Copilot for iOS Elevation of Privilege Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 8.1)

Elevation of Privilege · Important · CVSS 8.1. Affects: Microsoft 365 Copilot for iOS.

CVSS 8.1EPSS 0.7%Security update published 2026-08-21NVD

Affected: Microsoft 365 Copilot for iOS

View at Microsoft →