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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-58617

Microsoft 365 Copilot for iOS: improper access control

Microsoft

CVE-2026-58617 · Published Jul 14, 2026 · updated Jul 16, 2026

High8.1
Fix: upgrade to 2.111.4 or later
Microsoft advisory

Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.

Affected versions

PackageAffectedFixed in
Microsoft 365 Copilot for iOS
Product
>= 1.0, < 2.111.42.111.4
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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