Description
Windows AppContainer Elevation Of Privilege Vulnerability
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/164942/Microsoft-Windows-WSAQuerySocketSecurity-AppContainer-Privilege-Escalation.html
Scores
CVSS v3
7.5
EPSS
0.0227
EPSS Percentile
80.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Details
CWE
CWE-522
Status
published
Products (17)
microsoft/windows_10
microsoft/windows_10
20h2
microsoft/windows_10
21h1
microsoft/windows_10
1607
microsoft/windows_10
1809
microsoft/windows_10
1909
microsoft/windows_10
2004
microsoft/windows_11
(2 CPE variants)
microsoft/windows_8.1
microsoft/windows_rt_8.1
... and 7 more
Published
Oct 13, 2021
Tracked Since
Feb 18, 2026