๐Ÿ” CVE Alert

CVE-2026-58634

HIGH 7.8

Desktop Window Manager Elevation of Privilege Vulnerability

CVSS Score
7.8
EPSS Score
0.3%
EPSS Percentile
22th

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

Vendor microsoft
Product windows 11 version 26h1
Ecosystems
Industries
TechnologyEnterprise
Published Jul 14, 2026
Last Updated Jul 15, 2026
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CVSS v3 Breakdown

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
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.2525

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58634