8.8

CVE-2021-33742

Warning

Windows MSHTML Platform Remote Code Execution Vulnerability

Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 Version < 10.0.10240.18967
Microsoft ≫ Windows 10 1607 Version < 10.0.14393.4467
Microsoft ≫ Windows 10 1809 Version < 10.0.17763.1999
Microsoft ≫ Windows 10 1909 Version < 10.0.18363.1621
Microsoft ≫ Windows 10 2004 Version < 10.0.19041.1052
Microsoft ≫ Windows 10 20h2 Version < 10.0.19042.1052
Microsoft ≫ Windows 10 21h1 Version < 10.0.19043.1052
Microsoft ≫ Windows 7 Version- Updatesp1
Microsoft ≫ Windows 8.1 Version-
Microsoft ≫ Windows Rt 8.1 Version-
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1 HwPlatformx64
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.4467
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.1999

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability

Vulnerability

Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 52.66% 0.979
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
secure@microsoft.com 7.5 1.6 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.