Live › vulnerability › CVE-2021-31956
Go to dashboardMicrosoft Windows NTFS, the file system driver, has an unspecified flaw that lets a crafted application raise its privileges. An attacker who can run code on the machine can gain higher privileges, and CISA lists it as exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the Microsoft update for CVE-2021-31956 per vendor instructions (CISA KEV required action).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-31956")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.