CVE-2021-26443
Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
CVE-2021-26443 is fixed in 11 products on 1 platform, first by KB5007206, released November 9, 2021. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.0
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0170
77th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1809 for x64-based Systems | 17763.2300 | KB5007206 | Nov 9, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1916 | KB5007189 | Nov 9, 2021 |
| Windows 10 Version 2004 for x64-based Systems | KB5007186 | Nov 9, 2021 | |
| Windows 10 Version 21H1 for x64-based Systems | KB5007186 | Nov 9, 2021 | |
| Windows 11 version 21H2 for x64-based Systems | 22000.318 | KB5007215 | Nov 9, 2021 |
| Windows Server 2019 | 17763.2300 | KB5007206 | Nov 9, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.2300 | KB5007206 | Nov 9, 2021 |
| Windows Server 2022 | 20348.350 | KB5007205 | Nov 9, 2021 |
| Windows Server 2022 (Server Core installation) | 20348.350 | KB5007205 | Nov 9, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5007186 | Nov 9, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5007186 | Nov 9, 2021 | |
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