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CVE-2021-31956Windows NTFS Elevation of Privilege Vulnerability
Windows NTFS Elevation of Privilege Vulnerability
7.8 HIGHEPSS 22.27%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.8 | HIGH | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C |
| 9.3 | HIGH | 2.0NVD | AV:N/AC:M/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-31956
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Jun 8, 2021
- Last modified
- 2026-06-17 03:52 UTC
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 10 Version 18091 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows Server 20191 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows Server 2019 (Server Core installation)1 version range
- 10.0.0 before 10.0.17763.1999
MicrosoftWindows 10 Version 19091 version range
- 10.0.0 before 10.0.18363.1621
MicrosoftWindows 10 Version 21H11 version range
- 10.0.0 before 10.0.19043.1052
MicrosoftWindows 10 Version 20041 version range
- 10.0.0 before 10.0.19041.1052
MicrosoftWindows Server version 20041 version range
- 10.0.0 before 10.0.19041.1052
MicrosoftWindows 10 Version 20H21 version range
- 10.0.0 before 10.0.19042.1052
MicrosoftWindows Server version 20H21 version range
- 10.0.0 before 10.0.19042.1052
MicrosoftWindows 10 Version 15071 version range
- 10.0.0 before 10.0.10240.18967
MicrosoftWindows 10 Version 16071 version range
- 10.0.0 before 10.0.14393.4467
MicrosoftWindows Server 20161 version range
- 10.0.0 before 10.0.14393.4467
MicrosoftWindows Server 2016 (Server Core installation)1 version range
- 10.0.0 before 10.0.14393.4467
MicrosoftWindows 71 version range
- 6.1.0 before 6.1.7601.25632
MicrosoftWindows 7 Service Pack 11 version range
- 6.1.0 before 6.1.7601.25632
MicrosoftWindows 8.12 version ranges
- 6.3.0 before 6.3.9600.20045
- 6.3.0 before 6.3.9600.20044
MicrosoftWindows Server 2008 Service Pack 21 version range
- 6.0.0 before 6.0.6003.21137
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)1 version range
- 6.0.0 before 6.0.6003.21137
MicrosoftWindows Server 2008 Service Pack 21 version range
- 6.0.0 before 6.0.6003.21137
MicrosoftWindows Server 2008 R2 Service Pack 11 version range
- 6.1.0 before 6.1.7601.25632
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)1 version range
- 6.0.0 before 6.1.7601.25632
MicrosoftWindows Server 20121 version range
- 6.2.0 before 6.2.9200.23372
MicrosoftWindows Server 2012 (Server Core installation)1 version range
- 6.2.0 before 6.2.9200.23372
MicrosoftWindows Server 2012 R22 version ranges
- 6.3.0 before 6.3.9600.20045
- 6.3.0 before 6.3.9600.20044
MicrosoftWindows Server 2012 R2 (Server Core installation)2 version ranges
- 6.3.0 before 6.3.9600.20045
- 6.3.0 before 6.3.9600.20044