CVE-2026-41090CriticalMonitor
Microsoft Copilot Tampering Vulnerability
Severity Critical · Urgency Monitor
Why it matters: Critical severity (CVSS 9.3)
Tampering · Critical · CVSS 9.3. Affects: Microsoft 365 Copilot for iOS.
Affected: Microsoft 365 Copilot for iOS
Change history
2026-06-23 · First seen