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CVE-2026-58617

HIGH

8.1

CVSS 3.1

Metadata

CVE ID: CVE-2026-58617
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-07-01 18:03 UTC
Published: 2026-07-14 17:10 UTC
Last updated: 2026-07-14 19:42 UTC
Primary CWE: CWE-284
CWE-284: Improper Access Control
Vendor / Product: Microsoft / Microsoft 365 Copilot for iOS
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Microsoft	Microsoft 365 Copilot for iOS	—	1.0 < 2.111.4

Weakness (CWE)

CWE	Source	Description
CWE-284	cna	CWE-284: Improper Access Control

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.1	HIGH	3.1	cna	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

References (1)

M365 Copilot for iOS Elevation of Privilege Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617

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