CVE-2021-36966
published 2021-09-15CVE-2021-36966: Windows Subsystem for Linux Elevation of Privilege Vulnerability
PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.52%
42.3th percentile
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Affected
34 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_version_1809 | >= 10.0.0 < 10.0.17763.2183 | 10.0.17763.2183 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.2183 | 10.0.17763.2183 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1801 | 10.0.18363.1801 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1237 | 10.0.19041.1237 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1237 | 10.0.19042.1237 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1237 | 10.0.19043.1237 |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.2183 | 10.0.17763.2183 |
| microsoft | windows_server_version_2004 | >= 10.0.0 < 10.0.19041.1237 | 10.0.19041.1237 |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < 10.0.19042.1237 | 10.0.19042.1237 |
| msrc | windows_10_version_1809_for_32-bit_systems | — | — |
| msrc | windows_10_version_1809_for_arm64-based_systems | — | — |
| msrc | windows_10_version_1809_for_x64-based_systems | — | — |
| msrc | windows_10_version_1909_for_32-bit_systems | — | — |
| msrc | windows_10_version_1909_for_arm64-based_systems | — | — |
| msrc | windows_10_version_1909_for_x64-based_systems | — | — |
| msrc | windows_10_version_2004_for_32-bit_systems | — | — |
| msrc | windows_10_version_2004_for_arm64-based_systems | — | — |
| msrc | windows_10_version_2004_for_x64-based_systems | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
vendor_msrc7.8HIGH
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VulDB
Microsoft Windows up to Server 2019 Subsystem for Linux privileges management
vuldb·2026-08-11·CVSS 7.8
CVE-2021-36966 [HIGH] Microsoft Windows up to Server 2019 Subsystem for Linux privileges management
A vulnerability was found in Microsoft Windows up to Server 2019. It has been declared as critical. This vulnerability affects unknown code of the component Subsystem for Linux. Such manipulation leads to improper privilege management.
This vulnerability is documented as CVE-2021-36966. The attack can be executed remotely. There is not any exploit available.
It is advisable to implement a patch to correct this issue.
GHSA
GHSA-r8fw-c3wm-75m3: Windows Subsystem for Linux Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2021-36966 [HIGH] CWE-269 GHSA-r8fw-c3wm-75m3: Windows Subsystem for Linux Elevation of Privilege Vulnerability
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Microsoft
Windows Subsystem for Linux Elevation of Privilege Vulnerability
vendor_msrc·2021-09-14·CVSS 7.8
CVE-2021-36966 [HIGH] Windows Subsystem for Linux Elevation of Privilege Vulnerability
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Windows Subsystem for Linux: Windows Subsystem for Linux
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=KB5005568
Reference: https://support.microsoft.com/help/5005568
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005566
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5005565
Reference: https://support.microsoft.com/help/5005565
No detection rules found.
No public exploits indexed.
2021-09-15
Published