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High severity7.8NVD Advisory· Published Sep 8, 2026· Updated Sep 29, 2026

CVE-2026-68850

CVE-2026-68850

Description

Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.

Affected products

6
  • Microsoft/Windows 11 24h22 versions
    cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*range: <10.0.26100.9445
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*range: <10.0.26100.9445
  • Microsoft/Windows 11 25h22 versions
    cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*range: <10.0.26200.9445
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*range: <10.0.26200.9445
  • Microsoft/Windows Server 2025
    cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
    Range: <10.0.26100.33438
  • Microsoft/Accountllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

2