CVE-2021-40476
published 2021-10-13CVE-2021-40476: Windows AppContainer Elevation Of Privilege Vulnerability
PriorityP338high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
2.27%
81.1th percentile
Windows AppContainer Elevation Of Privilege Vulnerability
Affected
40 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.0 < 10.0.10240.19086 | 10.0.10240.19086 |
| microsoft | windows_10_version_1607 | >= 10.0.0 < 10.0.14393.4704 | 10.0.14393.4704 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2237 | 10.0.17763.2237 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1854 | 10.0.18363.1854 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1288 | 10.0.19041.1288 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1288 | 10.0.19042.1288 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1288 | 10.0.19043.1288 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.258 | 10.0.22000.258 |
| microsoft | windows_8.1 | >= 6.3.0 < 6.3.9600.20144 | 6.3.9600.20144 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.0 < 6.2.9200.23490 | 6.2.9200.23490 |
| microsoft | windows_server_2012_r2 | >= 6.3.0 < 6.3.9600.20144 | 6.3.9600.20144 |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | >= 10.0.0 < 10.0.14393.4704 | 10.0.14393.4704 |
| microsoft | windows_server_2019 | >= 10.0.0 < 10.0.17763.2237 | 10.0.17763.2237 |
| microsoft | windows_server_2022 | >= 10.0.0 < 10.0.20348.288 | 10.0.20348.288 |
| microsoft | windows_server_version_2004 | >= 10.0.0 < 10.0.19041.1288 | 10.0.19041.1288 |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < 10.0.19042.1288 | 10.0.19042.1288 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
vendor_msrc7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Windows AppContainer Elevation Of Privilege Vulnerability
vendor_msrc·2021-10-12·CVSS 7.5
CVE-2021-40476 [HIGH] Windows AppContainer Elevation Of Privilege Vulnerability
Windows AppContainer Elevation Of Privilege Vulnerability
Windows AppContainer: Windows AppContainer
Microsoft: Microsoft
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5006672
Reference: https://support.microsoft.com/help/5006672
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5006667
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5006670
Reference: https://support.microsoft.com/help/5006670
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5006699
Reference: https://catalog.update.microsoft.com/v7/s
GHSA
GHSA-9rq6-7rj6-crx7: Windows AppContainer Elevation Of Privilege Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2021-40476 [HIGH] CWE-269 GHSA-9rq6-7rj6-crx7: Windows AppContainer Elevation Of Privilege Vulnerability
Windows AppContainer Elevation Of Privilege Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://packetstormsecurity.com/files/164942/Microsoft-Windows-WSAQuerySocketSecurity-AppContainer-Privilege-Escalation.htmlhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476http://packetstormsecurity.com/files/164942/Microsoft-Windows-WSAQuerySocketSecurity-AppContainer-Privilege-Escalation.htmlhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476
2021-10-13
Published