CVE-2021-31956
Windows NTFS Elevation of Privilege Vulnerability
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- April 30, 2021
- Published Date
- June 08, 2021
- Last Updated
- January 12, 2026
- Vendor
- Microsoft
- Product
- Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows 10 Version 21H1, Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 20H2, Windows Server version 20H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 7, Windows 7 Service Pack 1, Windows 8.1, Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
- Description
- Windows NTFS Elevation of Privilege Vulnerability
- Tags
- Exploitation
- active
- Technical Impact
- total
- Exploited in the Wild
- Yes (2021-11-03 00:00:00 UTC) Source
CVSS Scores
CVSS v3.1
Vector: 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
SSVC Information
Exploit Status
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2021-11-03 00:00:00 UTC |
| CISA | 2021-11-03 00:00:00 UTC |
Potential Proof of Concepts
Warning: These PoCs have not been tested and could contain malware. Use at your own risk.
hoangprod/CVE-2021-31956-POC
Type: github • Created: 2023-06-05 00:03:10 UTC • Stars: 2
Y3A/CVE-2021-31956
Type: github • Created: 2022-09-02 10:35:11 UTC • Stars: 4
aazhuliang/CVE-2021-31956-EXP
Type: github • Created: 2022-01-11 16:03:38 UTC • Stars: 40
hzshang/CVE-2021-31956
Type: github • Created: 2021-11-22 09:37:46 UTC • Stars: 0
Timeline
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CVE ID Reserved
-
CVE Published to Public
-
Added to KEVIntel
-
Added to KEVIntel