Vulnerability · Published Oct 13, 2021 · Assigned by microsoft

CVE-2021-41342Windows MSHTML Platform Remote Code Execution Vulnerability

Medium 6.8

In plain English

A medium-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)1.6%top 23.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows MSHTML Platform Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2022 10.0.0 – before 10.0.20348.288
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.258
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 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 10 Version 2004 10.0.0 – before 10.0.19041.1288
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.1288
Microsoft Windows 10 Version 1507 10.0.0 – before 10.0.10240.19086
Microsoft Windows 10 Version 1607 10.0.0 – before 10.0.14393.4704
Microsoft Windows Server 2016 10.0.0 – before 10.0.14393.4704
Microsoft Windows 7 6.1.0 – before 6.1.7601.257406.1.0 – before 1.001
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.257406.1.0 – before 1.001
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.201446.3.0 – before 1.001
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.212516.0.0 – before 1.001
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.212516.0.0 – before 1.001
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.0 – before 6.1.7601.257406.1.0 – before 1.001
Microsoft Windows Server 2012 6.2.0 – before 6.2.9200.234906.2.0 – before 1.001
Microsoft Windows Server 2012 R2 6.3.0 – before 6.3.9600.201446.3.0 – before 1.001

References