CVE-2026-58617

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

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:iphone_os:*:*

History

16 Jul 2026, 20:09

Type	Values Removed	Values Added
First Time		Microsoft 365 Copilot Microsoft
CWE		NVD-CWE-Other
CPE		cpe:2.3:a:microsoft:365_copilot::::::iphone_os::*
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617 - Vendor Advisory

14 Jul 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 18:18

Updated : 2026-07-16 20:09

NVD link : CVE-2026-58617

Mitre link : CVE-2026-58617

CVE.ORG link : CVE-2026-58617

JSON object : View

Products Affected

microsoft

365_copilot

CWE

CWE-284

Improper Access Control

NVD-CWE-Other

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