High severity7.2NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026
CVE-2026-108399
CVE-2026-108399
Description
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Oct 13, 2026