CVE-2021-31956—Microsoft Windows NTFS Privilege Escalation Vulnerability

PUBLISHEDvulnerability record
2021-11-03 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-31956
Project:
Microsoft
Product:
Windows
Date Added:
2021-11-03
Due Date:
2021-11-17
Last Updated:
June 21, 2025

Vulnerability Name

Microsoft Windows NTFS Privilege Escalation Vulnerability

Description

Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-31956

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