CVE-2026-69578

High

Description

Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges locally.

SeverityHigh
CVSS7.0
Exploit probability—
ProductMicrosoft Windows
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Update
  • microsoft windows_10_160710.0.14393.9512 or later
  • microsoft windows_10_180910.0.17763.9245 or later
  • microsoft windows_10_21h210.0.19044.7725 or later
  • microsoft windows_10_22h210.0.19045.7725 or later
  • microsoft windows_11_23h210.0.22631.7582 or later
  • microsoft windows_11_24h210.0.26100.9445 or later
  • microsoft windows_11_25h210.0.26200.9445 or later
  • microsoft windows_11_26h110.0.28000.2954 or later
  • microsoft windows_server_201610.0.14393.9512 or later
  • microsoft windows_server_201910.0.17763.9245 or later
  • microsoft windows_server_202210.0.20348.5622 or later
  • microsoft windows_server_202510.0.26100.33438 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_10_1607v < 10.0.14393.951210.0.14393.9512
microsoft windows_10_1809v < 10.0.17763.924510.0.17763.9245
microsoft windows_10_21h2v < 10.0.19044.772510.0.19044.7725
microsoft windows_10_22h2v < 10.0.19045.772510.0.19045.7725
microsoft windows_11_23h2v < 10.0.22631.758210.0.22631.7582
microsoft windows_11_24h2v < 10.0.26100.944510.0.26100.9445
microsoft windows_11_25h2v < 10.0.26200.944510.0.26200.9445
microsoft windows_11_26h1v < 10.0.28000.295410.0.28000.2954
microsoft windows_server_2012No range specified, r2—
microsoft windows_server_2016v < 10.0.14393.951210.0.14393.9512
microsoft windows_server_2019v < 10.0.17763.924510.0.17763.9245
microsoft windows_server_2022v < 10.0.20348.562210.0.20348.5622
microsoft windows_server_2025v < 10.0.26100.3343810.0.26100.33438

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CVE-2026-69578 · Microsoft Windows · Dark Radar