Critical Alert

CVE-2026-50751 - Critical Check Point VPN Exploit Discovered Active in the Wild. View Threat Details →

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BlueHammer

Microsoft Defender Zero-Day “BlueHammer” Hits KEV Catalog Following Researcher’s Protest BlueHammer Exploit Microsoft Defender LPE

BlueHammer Exploit Microsoft Defender LPE

Microsoft Defender Zero-Day “BlueHammer” Hits KEV Catalog Following Researcher’s Protest

Do Son April 23, 2026

CISA has officially added a fresh vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, citing evidence of...

Zero-Day Alert: The “Red Sun” Vulnerability Turning Microsoft Defender into a Hacker’s Tool Red Sun vulnerability

Red Sun vulnerability

Zero-Day Alert: The “Red Sun” Vulnerability Turning Microsoft Defender into a Hacker’s Tool

Do Son April 20, 2026

Microsoft Defender, formerly designated as Windows Defender, serves as the quintessential security suite for Windows 10 and...

BlueHammer: Researcher Drops Functional 0-Day Exploit Targeting Windows Defender BlueHammer Exploit Windows Defender 0-day

BlueHammer Exploit Windows Defender 0-day

BlueHammer: Researcher Drops Functional 0-Day Exploit Targeting Windows Defender

Do Son April 7, 2026

A researcher has publicly disclosed a functional zero-day exploit targeting the internal signature update mechanism of Windows...