CVE-2026-58634 - Vulnerability Details - OpenCVE

Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Windows 11 26h1

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58634

History

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		Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Title		Desktop Window Manager Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft windows 11 26h1
Weaknesses		CWE-416
CPEs		cpe:2.3:o:microsoft:windows_11_26H1:::::::x64:*
Vendors & Products		Microsoft Microsoft windows 11 26h1
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58634
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-14T17:10:15.507Z

Updated: 2026-07-14T19:42:35.473Z

Reserved: 2026-07-01T21:14:44.617Z

Link: CVE-2026-58634

Vulnrichment

Updated: 2026-07-14T17:48:46.503Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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