CVE-2026-69553

high

Description

Missing authorization in Windows Hyper-V allows an authorized attacker to elevate privileges over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69553

Details

Source: Mitre, NVD

Published: 2026-09-08

Updated: 2026-09-09

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.1

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

Severity: High