CVE-2026-44811

High

Description

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

SeverityHigh
CVSS7.8
Exploit probability19. percentile0.3%
ProductMicrosoft Windows
PublishedJun 9, 2026
First seenJun 9, 2026

How to fix

Update
  • microsoft windows_11_26h110.0.28000.2269 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_11_26h1v < 10.0.28000.226910.0.28000.2269

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