Tag Archives: Windows Defender

Patch for Windows Defender 0-day could allow attackers to fill hard disk

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk space, the researcher who discovered the flaw said. RoguePlanet, tracked as CVE-2026-50656, came to public notice in June when NightmareEclipse, the pseudonymous name used by… Read More: Patch for Windows Defender 0-day could allow attackers to fill… »

Chrome, Defender, and Firefox 0-days linked to commercial IT firm in Spain

reader comments 13 with 0 posters participating Share this story Google researchers said on Wednesday they have linked a Barcelona, Spain-based IT company to the sale of advanced software frameworks that exploit vulnerabilities in Chrome, Firefox, and Windows Defender. Variston IT bills itself as a provider of tailor-made Information security solutions, including technology for embedded… Read More: Chrome, Defender, and Firefox 0-days linked to commercial IT firm… »

A Windows Defender vulnerability lurked undetected for 12 years

reader comments 22 with 18 posters participating Share this story Just because a vulnerability is old doesn’t mean it’s not useful. Whether it’s Adobe Flash hacking or the EternalBlue exploit for Windows, some methods are just too good for attackers to abandon, even if they’re years past their prime. But a critical 12-year-old bug in… Read More: A Windows Defender vulnerability lurked undetected for 12 years »