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

BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

Infosecurity spoke with the researcher who dumped over 30 proof-of-concept exploits without disclosing the vulnerabilities ...

Windows Defender "BlueHammer" vulnerability now exploited as part of malware campaigns — event demonstrates lack of security ...

Official support for Windows 10 has ended, and its security certificates are expiring. Your system is at risk, and Microsoft ...

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

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

A newly disclosed Microsoft Defender exploit has raised fresh concern among security teams after researchers said it could allow a local attacker to gain SYSTEM-level privileges on fully patched ...

Both Microsoft Defender and Malwarebytes could certainly be more generous with their offerings. Although they have the fundamentals well covered, neither of them offers a complete security suite. A ...

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 ...

The public PoC code exploits a race condition in Microsoft Defender to spawn a command prompt with System privileges. Microsoft on Wednesday published an advisory acknowledging the public disclosure ...

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