CVE-2026-80083 HIGH

CVE-2026-80083: Windows Hyper-V Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 11 version 23H2
Weakness CWE-822
Published September 8, 2026
Last update September 18, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 18, 2026 Record updated