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

CVE-2026-70574

CVE-2026-70574

Description

Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

Affected products

1

Microsoft/Virtual Hard Disk (VHD) Miniport Driverllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70574nvd

News mentions

1

Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-Days
Cyber Security News · Sep 8, 2026