VULNERABILITY INTELLIGENCE
CVE-2021-26443
CVSS score9 CRITICAL
EPSS probability1.70%
CISA KEVNot currently listed
Published2021-11-10
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description
Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- secure@microsoft.com
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory