A security researcher has disclosed exploit code for a fourth zero-day vulnerability in Windows operating system in just as many months. The bug enables overwriting a target file with arbitrary data.

Antivirus vendors are warning of a rapidly-spreading worm that is carrying a potentially destructive set of instructions. The Nyxem worm — also nicknamed the Kama Sutra worm — is programmed to ...

A micropatch has been released today for a vulnerability in Windows that allows overwriting files, even system one, with arbitrary data. The bug was disclosed on December 27 by the security researcher ...

Facepalm: A critical bug in Windows Defender went undetected by both attackers and defenders for some 12 years, before finally being patched last fall. The vulnerability in Microsoft's built-in ...

A new attack called "Dirty Stream" uses malicious mobile apps to overwrite files on Android devices. Microsoft warns that four billion recent app installations from the Google Play Store could be ...

The issue impacts many large distros with GUI interfaces. A local privilege-escalation and file-overwrite vulnerability in X.Org X server opens the door to trivial compromise in Linux systems that use ...