Security News > 2021 > April > Microsoft fixes Windows 10 bug that can corrupt NTFS drives

Microsoft has fixed a bug that could allow a threat actor to create specially crafted downloads that crash Windows 10 simply by opening the folder where they are downloaded.
In January, we reported on a new Windows 10 vulnerability discovered by Jonas Lykkegård that allows any user or program, even those with low privileges, to mark an NTFS drive as corrupted simply by accessing the special folder.
In one of our and other people's tests, chkdsk did not fix the issue, and Windows 10 refused to boot again.
In February, Microsoft quietly started testing the fix within Windows Insider builds.
This week, as part of the April 2021 Patch Tuesday, Microsoft has finally fixed the vulnerability in all supported versions of Windows 10.
Microsoft has classified this bug as a DDoS vulnerability and is tracking it as CVE-2021-28312 with the title 'Windows NTFS Denial of Service Vulnerability.
News URL
Related news
- Windows 10 KB5051974 update force installs new Microsoft Outlook app (source)
- New Microsoft script updates Windows media with bootkit malware fixes (source)
- Microsoft has finally fixed Date & Time bug in Windows 11 (source)
- Microsoft shares workaround for Windows security update issues (source)
- FINALDRAFT Malware Exploits Microsoft Graph API for Espionage on Windows and Linux (source)
- Microsoft fixes bug causing Windows Server 2025 boot errors (source)
- Microsoft to remove the Location History feature in Windows (source)
- Microsoft testing fix for Windows 11 bug breaking SSH connections (source)
- Microsoft launches ad-supported Office apps for Windows users (source)
- Microsoft tests ad-supported Office apps for Windows users (source)
Related Vulnerability
DATE | CVE | VULNERABILITY TITLE | RISK |
---|---|---|---|
2021-04-13 | CVE-2021-28312 | Unspecified vulnerability in Microsoft products Windows NTFS Denial of Service Vulnerability | 0.0 |