HarborGuard / CVE
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HIGHCVE-2026-40369Published Modified CNA microsoft

CVE-2026-40369: Windows Kernel Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
10.0.26100.8457
Affected Products
5

Fix available

10.0.26100.845710.0.26100.3286010.0.26200.845710.0.28000.2113
Affected packages
  • Microsoft / Windows 11 Version 24H2
    < 10.0.26100.8457 (from 10.0.26100.0)
  • Microsoft / Windows 11 Version 25H2
    < 10.0.26200.8457 (from 10.0.26200.0)
  • Microsoft / Windows 11 version 26H1
    < 10.0.28000.2113 (from 10.0.28000.0)
  • Microsoft / Windows Server 2025
    < 10.0.26100.32860 (from 10.0.26100.0)
  • Microsoft / Windows Server 2025 (Server Core installation)
    < 10.0.26100.32860 (from 10.0.26100.0)
CVSS 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