CVE-2021-31956
7.8HIGHWindows NTFS Elevation of Privilege Vulnerability
Published: 6/8/2021Updated: 1/13/2026
CISA Known Exploited Vulnerability
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Required Action:
Apply updates per vendor instructions.
Due Date:
2021-11-17
Description
Windows NTFS Elevation of Privilege Vulnerability
AI AnalysisPowered by AI
Affected Products
microsoftwindows_10_1507
microsoftwindows_10_1607
microsoftwindows_10_1809
microsoftwindows_10_1909
microsoftwindows_10_2004
microsoftwindows_10_20h2
microsoftwindows_10_21h1
microsoftwindows_7
-
microsoftwindows_8.1
-
microsoftwindows_rt_8.1
-
microsoftwindows_server_2004
microsoftwindows_server_2008
r2
microsoftwindows_server_2008
sp2
microsoftwindows_server_2012
-
microsoftwindows_server_2012
r2
microsoftwindows_server_2016
microsoftwindows_server_2019
microsoftwindows_server_20h2
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956PatchVendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956US Government Resource