Description
Windows AppContainer Elevation Of Privilege Vulnerability
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | >= 10.0.0, < 10.0.17763.2237 |
| Microsoft | Windows Server 2019 | >= 10.0.0, < 10.0.17763.2237 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.0, < 10.0.17763.2237 |
| Microsoft | Windows 10 Version 1909 | >= 10.0.0, < 10.0.18363.1854 |
| Microsoft | Windows 10 Version 21H1 | >= 10.0.0, < 10.0.19043.1288 |
| Microsoft | Windows Server 2022 | >= 10.0.0, < 10.0.20348.288 |
| Microsoft | Windows 10 Version 2004 | >= 10.0.0, < 10.0.19041.1288 |
| Microsoft | Windows Server version 2004 | >= 10.0.0, < 10.0.19041.1288 |
| Microsoft | Windows 10 Version 20H2 | >= 10.0.0, < 10.0.19042.1288 |
| Microsoft | Windows Server version 20H2 | >= 10.0.0, < 10.0.19042.1288 |
| Microsoft | Windows 11 version 21H2 | >= 10.0.0, < 10.0.22000.258 |
| Microsoft | Windows 10 Version 1507 | >= 10.0.0, < 10.0.10240.19086 |
| Microsoft | Windows 10 Version 1607 | >= 10.0.0, < 10.0.14393.4704 |
| Microsoft | Windows Server 2016 | >= 10.0.0, < 10.0.14393.4704 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.0, < 10.0.14393.4704 |
| Microsoft | Windows 8.1 | >= 6.3.0, < 6.3.9600.20144 |
| Microsoft | Windows Server 2012 | >= 6.2.0, < 6.2.9200.23490 |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.0, < 6.2.9200.23490 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.0, < 6.3.9600.20144 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.0, < 6.3.9600.20144 |
References
- http://packetstormsecurity.com/files/164942/Microsoft-Windows-WSAQuerySocketSecurity-AppContainer-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476Patch, Vendor Advisory
- http://packetstormsecurity.com/files/164942/Microsoft-Windows-WSAQuerySocketSecurity-AppContainer-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476Patch, Vendor Advisory
Timeline
- Published
- Oct 13, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified