CVE-2026-109453

HighCVSS 7.0/10Last modified Oct 16, 2026

Description

Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Undergoing Analysis

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CVE-2026-109453: High severity, CVSS 7.0 | Vulnix