CVEvulnerability
CVE-2021-26443
9.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-11-10
- Last modified
- 2026-08-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.0 CRITICAL — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.7 HIGH — AV:A/AC:L/Au:S/C:C/I:C/A:C
Description
Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
Affected configurations
• microsoft windows 10 20h2
• microsoft windows 10 21h1
• microsoft windows 10 1809
• microsoft windows 10 1909
• microsoft windows 11
• microsoft windows server 2016 20h2
• microsoft windows server 2016 2004
• microsoft windows server 2019
• microsoft windows server 2022
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26443 msrc.microsoft.com
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26443 Patch, Vendor Advisory