CVE-2026-24283

High

Description

Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally.

SeverityHigh
CVSS8.8
Exploit probability—
ProductMicrosoft Windows
PublishedMar 10, 2026
First seenMar 10, 2026
Weakness typeCWE-122CWE-122

How to fix

Update
  • 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_2022_23h210.0.25398.2207 or later
  • microsoft windows_server_202510.0.26100.32463 or later

Affected products

ProductAffected versionsFixed in
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_2022_23h2v < 10.0.25398.220710.0.25398.2207
microsoft windows_server_2025v < 10.0.26100.3246310.0.26100.32463

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CVE-2026-24283 · Microsoft Windows · Dark Radar