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CVE-2021-41379Windows Installer Elevation of Privilege Vulnerability
Windows Installer Elevation of Privilege Vulnerability
7.8 HIGHEPSS 19.45%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 5.5 | MEDIUM | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 5.5 | MEDIUM | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
| 4.6 | MEDIUM | 2.0NVD | AV:L/AC:L/Au:N/C:P/I:P/A:P |
CISA required action
⚡ Known exploited · remediation due Mar 17, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-41379
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Nov 10, 2021
- Last modified
- 2026-08-19 19:22 UTC
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 10 Version 15071 version range
- 10.0.10240.0 before 10.0.10240.19119
MicrosoftWindows 10 Version 16071 version range
- 10.0.14393.0 before 10.0.14393.4770
MicrosoftWindows 10 Version 18091 version range
- 10.0.17763.0 before 10.0.17763.2300
MicrosoftWindows 10 Version 18091 version range
- 10.0.0 before 10.0.17763.2300
MicrosoftWindows 10 Version 19091 version range
- 10.0.0 before 10.0.18363.1916
MicrosoftWindows 10 Version 20041 version range
- 10.0.0 before 10.0.19041.1348
MicrosoftWindows 10 Version 20H21 version range
- 10.0.0 before 10.0.19042.1348
MicrosoftWindows 10 Version 21H11 version range
- 10.0.0 before 10.0.19043.1348
MicrosoftWindows 11 version 21H21 version range
- 10.0.22000.0 before 10.0.22000.318
MicrosoftWindows 71 version range
- 6.1.0 before 6.1.7601.25769
MicrosoftWindows 7 Service Pack 11 version range
- 6.1.0 before 6.1.7601.25769
MicrosoftWindows 8.11 version range
- 6.3.0 before 6.3.9600.20174
MicrosoftWindows Server 2008 R2 Service Pack 11 version range
- 6.1.7601.0 before 6.1.7601.25769
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)1 version range
- 6.1.7601.0 before 6.1.7601.25769
MicrosoftWindows Server 2008 Service Pack 21 version range
- 6.0.6003.0 before 6.0.6003.21282
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)1 version range
- 6.0.6003.0 before 6.0.6003.21282
MicrosoftWindows Server 20121 version range
- 6.2.9200.0 before 6.2.9200.23517
MicrosoftWindows Server 2012 (Server Core installation)1 version range
- 6.2.9200.0 before 6.2.9200.23517
MicrosoftWindows Server 2012 R21 version range
- 6.3.9600.0 before 6.3.9600.20174
MicrosoftWindows Server 2012 R2 (Server Core installation)1 version range
- 6.3.9600.0 before 6.3.9600.20174
MicrosoftWindows Server 20161 version range
- 10.0.14393.0 before 10.0.14393.4770
MicrosoftWindows Server 2016 (Server Core installation)1 version range
- 10.0.14393.0 before 10.0.14393.4770
MicrosoftWindows Server 20191 version range
- 10.0.17763.0 before 10.0.17763.2300
MicrosoftWindows Server 2019 (Server Core installation)1 version range
- 10.0.17763.0 before 10.0.17763.2300
MicrosoftWindows Server 20221 version range
- 10.0.20348.0 before 10.0.20348.350
MicrosoftWindows Server version 20041 version range
- 10.0.0 before 10.0.19041.1348
MicrosoftWindows Server version 20H21 version range
- 10.0.0 before 10.0.19042.1348
References
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41379
- portal.msrc.microsoft.com https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41379
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-21-1308/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-41379