CVE-2021-26443

Severity

90%

Complexity

23%

Confidentiality

100%

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

CVSS 3.1 Base Score 9. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.7. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (AV:A/AC:L/Au:S/C:C/I:C/A:C).

Overview

Type

Microsoft Windows

First reported 3 years ago

2021-11-10 01:16:00

Last updated 3 years ago

2021-11-10 16:01:00

Affected Software

Microsoft Windows 10 1809 on x64

1809

Microsoft Windows 10 1909 64-bit

1909

Microsoft Windows Server 2019

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26443

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26443

Patch, Vendor Advisory

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