CVE-2026-58617

M365 Copilot for iOS Elevation of Privilege Vulnerability

Published Jul 14, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft 365 Copilot Ios
Vendors & Products Microsoft 365 Copilot Ios
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.
Title M365 Copilot for iOS Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Copilot Ios
Weaknesses CWE-284
CPEs cpe:2.3:a:microsoft:365_copilot_iOS:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Copilot Ios
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 10:40 PM
Reserved
Jul 1, 2026, 6:03 PM
Status
Analyzed
Published
Jul 14, 2026, 6:18 PM
Modified
Oct 24, 2026, 9:10 PM