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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-69333

Microsoft Windows Win32K: use after free

Microsoft

CVE-2026-69333 · Published Sep 8, 2026 · updated Sep 17, 2026

High7.0
Fix: upgrade to 10.0.26100.9445 or later (3 fixed versions below)
Microsoft advisory

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Affected versions

PackageAffectedFixed in
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.944510.0.26100.9445
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.944510.0.26200.9445
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.295410.0.28000.2954
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-416

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