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

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Microsoft
  • 365 Copilot Ios
  • 365 Copilot Ios

No data.

No data.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617 cve-icon
History

Wed, 15 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft 365 Copilot Ios
Vendors & Products Microsoft 365 Copilot Ios

Tue, 14 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 14 Jul 2026 17:45:00 +0000

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-14T17:10:11.205Z

Updated: 2026-07-20T16:06:22.701Z

Reserved: 2026-07-01T18:03:43.126Z

Link: CVE-2026-58617

cve-icon Vulnrichment

Updated: 2026-07-14T18:27:06.837Z

cve-icon NVD

No data.

cve-icon Redhat

No data.