Vulnerability in Microsoft Windows_10
CVE-2021-26443
Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
EPSS: 0.015 (72.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 1809
- Microsoft Windows 10 Version 1809 — versions 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows_11
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows_server_2016 — versions 20h2, 2004
- Microsoft Windows Server 2019 — versions 10.0.0
- Microsoft Windows_server_2019
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26443?
- CVE-2021-26443 is a critical-severity vulnerability in Microsoft Windows_10. CVSS score: 9.0/10. Published 2021-11-10.
- How severe is CVE-2021-26443?
- Critical severity. CVSS v3 base score is 9.0 out of 10.