Vulnerability · Published Jul 16, 2021 · Assigned by microsoft
CVE-2021-34446Windows HTML Platforms Security Feature Bypass Vulnerability
High 8.0
In plain English
A high-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 2.0% (higher than 81% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)2.0%top 18.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Windows HTML Platforms Security Feature Bypass 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 HTML Platforms Security Feature Bypass Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34446 x_refsource_MISC, x_transferred