Opinion
PCMag on MSNOpinion

This won't end well for Windows: LegacyHive points to a troubling future

In the latest escalation of a public feud with Microsoft, security researcher Nightmare Eclipse released the LegacyHive zero-day vulnerability shortly after a major Patch Tuesday update. Expect future ...

New Windows LegacyHive zero-day gives hackers admin privileges

A security researcher using the "Nightmare Eclipse" handle has released a Windows zero-day exploit dubbed LegacyHive that ...
Bleeping Computer

Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. Dubbed ...
PC World

Security expert publishes Windows exploit after Microsoft went silent

PCWorld reports on the ‘BlueHammer’ zero-day vulnerability that allows attackers to potentially take over Windows computers through privilege escalation. A frustrated security researcher published the ...
Tech Times

Defender Zero-Day Patched 29 Days After Public Exploit Exposed Millions of PCs

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

New BitLocker vulnerability exposes Windows 11 users to system breach

BitLocker has a previously unknown zero-day exploit that lets attackers gain full filesystem access. An attacker with physical access can use a USB and WinRE to bypass recovery and open a system ...
PC World

Unpatched Microsoft Defender flaw lets hackers gain admin access

PCWorld reports on the ‘RedSun’ vulnerability in Microsoft Defender affecting Windows 10, 11, and Server systems that allows attackers to gain administrative privileges. Security researcher Chaotic ...
Forbes

Windows 11 Hacked — Three New Pwn2Own Zero-Days Deployed

Windows 11 hacked three times on day one of PWN2OWN. Update, May 17, 2025: This story, originally published May 16, has been updated with news of another successful Windows 11 hack at the Pwn2Own ...
TechRepublic

New Windows Zero-Day Claims BitLocker Bypass Amid Microsoft Disclosure Fight

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s real-world impact. A new Windows zero-day has turned BitLocker, one of ...
Dark Reading

Exploits Turn Windows Defender Into Attacker Tool

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 ...
Forbes

Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft confirms Exchange zero-day, CISA warns it's under active exploitation. Updated May ...
Computerworld

10 ways to boost Windows security

With Microsoft set to stop security updates for Windows 10 in October — unless you pay extra — security is top of mind for many businesses and individual users right now. And whether you’re planning ...