CVE-2021-31956
Microsoft Windows NTFS Privilege Escalation Vulnerability
Published Jun 8, 2021 · updated Jun 16, 2026 · microsoft windows 10 1507
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Timeline
Detection, updates, and resolution for this record.
Jun 8, 2021 · Catalog
Detected
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Nov 3, 2021 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Nov 17, 2021 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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.
CISA due date Nov 17, 2021
Affected
- cpe microsoft/windows 10 1507version unspecified
- cpe microsoft/windows 10 1607version unspecified
- cpe microsoft/windows 10 1809version unspecified
- cpe microsoft/windows 10 1909version unspecified
- cpe microsoft/windows 10 2004version unspecified
- cpe microsoft/windows 10 20h2version unspecified
- cpe microsoft/windows 10 21h1version unspecified
- cpe microsoft/windows 7version unspecified
- vendor Microsoft Windowsversion unspecified
Sources
- CISA KEVCVE-2021-31956
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
cisa.gov - CVE.orgCVE-2021-31956
Official CVE identifier
cve.org - FIRST EPSSCVE-2021-31956
30-day exploitation probability 22.3%
first.org - NIST NVDCVE-2021-31956
Windows NTFS Elevation of Privilege Vulnerability
nvd.nist.gov