CVE-2026-108133

Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability

CVE-2026-108133 is fixed in 2 products on 1 platform, first by KB5126655, released October 13, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0035

29th percentile

<p>Release of invalid pointer or reference in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows Server 2022	20348.5761	KB5126655	Oct 13, 2026
Windows Server 2022 (Server Core installation)	20348.5761	KB5126655	Oct 13, 2026

Details

Published
October 13, 2026
Weakness
Release of Invalid Pointer or Reference
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108133

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