CVE-2026-25174

High

Description

Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMicrosoft Windows
PublishedMar 10, 2026
First seenMar 10, 2026

How to fix

Update
  • microsoft windows_10_160710.0.14393.8957 or later
  • microsoft windows_10_180910.0.17763.8511 or later
  • microsoft windows_10_21h210.0.19044.7058 or later
  • microsoft windows_10_22h210.0.19045.7058 or later
  • microsoft windows_11_23h210.0.22631.6783 or later
  • microsoft windows_11_24h210.0.26100.7979 or later
  • microsoft windows_11_25h210.0.26200.7979 or later
  • microsoft windows_11_26h110.0.28000.1719 or later
  • microsoft windows_server_201610.0.14393.8957 or later
  • microsoft windows_server_201910.0.17763.8511 or later
  • microsoft windows_server_202210.0.20348.4830 or later
  • microsoft windows_server_2022_23h210.0.25398.2207 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_10_1607v < 10.0.14393.895710.0.14393.8957
microsoft windows_10_1809v < 10.0.17763.851110.0.17763.8511
microsoft windows_10_21h2v < 10.0.19044.705810.0.19044.7058
microsoft windows_10_22h2v < 10.0.19045.705810.0.19045.7058
microsoft windows_11_23h2v < 10.0.22631.678310.0.22631.6783
microsoft windows_11_24h2v < 10.0.26100.797910.0.26100.7979
microsoft windows_11_25h2v < 10.0.26200.797910.0.26200.7979
microsoft windows_11_26h1v < 10.0.28000.171910.0.28000.1719
microsoft windows_server_2012No range specified, r2—
microsoft windows_server_2016v < 10.0.14393.895710.0.14393.8957
microsoft windows_server_2019v < 10.0.17763.851110.0.17763.8511
microsoft windows_server_2022v < 10.0.20348.483010.0.20348.4830
microsoft windows_server_2022_23h2v < 10.0.25398.220710.0.25398.2207
microsoft windows_server_2025v < 10.0.26100.3246310.0.26100.32463

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