A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows ...

Windows Defender zero-day CVE-2026-50656 — known as RoguePlanet — has been patched by Microsoft 29 days after researcher ...

Microsoft has tackled yet another zero-day vulnerability published by a disgruntled security researcher with a vendetta ...

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day security vulnerability in Microsoft’s Defender security program. The ...

Microsoft Defender RoguePlanet vulnerability has been patched after a zero-day flaw was disclosed following the June 2026 ...

The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges | Read more hacking news on The Hacker News ...

Microsoft has released a security patch to address a Defender zero-day vulnerability known as "RoguePlanet," disclosed after ...

Microsoft has quietly fixed the “RoguePlanet” zero-day in Microsoft Defender, closing the latest hole exposed by security ...

Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...

Hackers have broken into at least one organization using Windows vulnerabilities published online by a disgruntled security researcher over the last two weeks, according to a cybersecurity firm. On ...

CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.