Vulnerability · Published Oct 13, 2021 · Assigned by microsoft

CVE-2021-40461Windows Hyper-V Remote Code Execution Vulnerability

High 8.0

In plain English

A high-severity security flaw in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)1.4%top 28.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows Hyper-V Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.2237
Microsoft Windows Server 2019 10.0.0 – before 10.0.17763.2237
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before 10.0.17763.2237
Microsoft Windows 10 Version 1909 10.0.0 – before 10.0.18363.1854
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1288
Microsoft Windows Server 2022 10.0.0 – before 10.0.20348.288
Microsoft Windows 10 Version 2004 10.0.0 – before 10.0.19041.1288
Microsoft Windows Server version 2004 10.0.0 – before 10.0.19041.1288
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1288
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.258

References