Vulnerability · Published Jul 14, 2021 · Assigned by microsoft
CVE-2021-34497Windows 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 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)2.1%top 17.8% 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)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 – before 10.0.10240.19003 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – before 10.0.14393.4530 |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – before 10.0.17763.2061 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 – before 10.0.17763.2061 |
| Microsoft | Windows 10 Version 1909 | 10.0.0 – before 10.0.18363.1679 |
| Microsoft | Windows 10 Version 2004 | 10.0.0 – before 10.0.19041.1110 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – before 10.0.19042.1110 |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 – before 10.0.19043.1110 |
| Microsoft | Windows 7 | 6.1.0 – before 6.1.7601.25661 |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 – before 6.1.7601.25661 |
| Microsoft | Windows 8.1 | 6.3.0 – before 6.3.9600.20069 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 – before 6.1.7601.25661 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 – before 6.0.6003.21167 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 – before 6.2.9200.23409 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – before 6.3.9600.20069 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – before 10.0.14393.4530 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – before 10.0.17763.2061 |
References
- Windows MSHTML Platform Remote Code Execution Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34497 x_refsource_MISC, x_transferred