CVE-2026-108399CWE-122
CVE-2026-108399
High · published October 13, 2026
What it is
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
The record
Technical detail
- CVSS v3.1
- 7.2 · HIGH
- Vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00344 · 26.7th percentile
- Weakness
- CWE-122 · Heap-based Buffer Overflow
- Published
- 2026-10-13T23:18Z
References (1)
EPSS history
Timeline