CVE-2021-33742

KEV
Published: Giu 08, 2021 Last Modified: Ott 29, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Windows MSHTML Platform Remote Code Execution Vulnerability

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,7212
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

787

Out-of-bounds Write

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
Operating System

Windows 10 1809 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 1809
Version Range Affected
To 10.0.17763.1999 (exclusive)
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 1909 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 1909
Version Range Affected
To 10.0.18363.1621 (exclusive)
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 1607 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 1607
Version Range Affected
To 10.0.14393.4467 (exclusive)
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 2004 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 2004
Version Range Affected
To 10.0.19041.1052 (exclusive)
cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 21H1 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 21H1
Version Range Affected
To 10.0.19043.1052 (exclusive)
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2008 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2008
Version sp2
cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2016 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2016
Version Range Affected
To 10.0.14393.4467 (exclusive)
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2012 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2012
Version -
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 20H2 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 20H2
Version Range Affected
To 10.0.19042.1052 (exclusive)
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2019 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2019
Version Range Affected
To 10.0.17763.1999 (exclusive)
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2008 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2008
Version r2
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 7 by Microsoft

Product Information
Vendor Microsoft
Product Windows 7
Version -
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Rt 8.1 by Microsoft

Product Information
Vendor Microsoft
Product Windows Rt 8.1
Version -
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 10 1507 by Microsoft

Product Information
Vendor Microsoft
Product Windows 10 1507
Version Range Affected
To 10.0.10240.18967 (exclusive)
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2012 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2012
Version r2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 8.1 by Microsoft

Product Information
Vendor Microsoft
Product Windows 8.1
Version -
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-337…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-337…