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April 2026 Patch Tuesday: SharePoint Zero-Day, BlueHammer, & Adobe RCE
Microsoft's April 2026 Patch Tuesday addresses 167 vulnerabilities, including a SharePoint Server zero-day, Windows Defender 'BlueHammer' flaw, and an actively exploited
Cisco FMC Zero-Day Exploited by Interlock Ransomware: March 2026 CVEs
Runtime Rebel analyzes March 2026's significant rise in high-impact CVEs, including a Cisco FMC zero-day actively exploited by Interlock Ransomware. Learn critical
Adobe Acrobat & Reader Zero-Day Exploitation: Immediate Patch Required
Adobe has patched an actively exploited Zero-Day in Acrobat and Reader. Attackers used crafted PDF files for at least four months. Update immediately.
CVE-2026-34621: Adobe Acrobat and Reader Zero-Day Emergency Patch
Adobe issues an emergency fix for CVE-2026-34621, a critical Acrobat and Reader zero-day exploited in the wild. Learn technical details and mitigation steps.
CVE-2026-34621: Adobe Reader Zero-Day Exploited for Months Patched
Adobe releases critical updates for CVE-2026-34621, an Acrobat and Reader zero-day used for remote code execution. Patch immediately to prevent exploitation.
Adobe Reader Zero-Day Exploited via Malicious PDF Documents
Researchers reveal a sophisticated Adobe Reader zero-day exploit used in the wild since late 2025, involving malicious PDF invoices to compromise systems.
Claude Mythos Identifies Thousands of Zero-Day Flaws in Major Systems
Anthropic's Project Glasswing uses the Claude Mythos AI model to uncover thousands of zero-day vulnerabilities across infrastructure from AWS, Google, and Cisco.
Storm-1175: China-Linked Zero-Day Exploits Deploy Medusa Ransomware
China-linked actor Storm-1175 is weaponizing zero-day and N-day vulnerabilities in perimeter assets to execute high-velocity Medusa ransomware attacks.
Windows BlueHammer Zero-Day Exploit: Local Privilege Escalation Analysis
A leaked BlueHammer exploit targets an unpatched Windows vulnerability, allowing local attackers to gain SYSTEM privileges. Analysis and mitigation guide inside.
TrueConf Zero-Day: Exploitation Against Asian Governments
A Chinese threat actor is actively exploiting a TrueConf video conferencing zero-day to conduct reconnaissance and achieve privilege escalation against Asian government
Google Chrome Zero-Day Patch: Fourth In-the-Wild Exploit
Google has released an urgent security update for Chrome, patching the fourth zero-day vulnerability actively exploited in 2024. Update now to protect against
CVE-2026-3502: TrueConf Zero-Day Exploited in Asia Gov Attacks
TrueConf video conferencing zero-day [CVE-2026-3502] exploited to distribute tampered updates to Southeast Asian government networks in 'TrueChaos' campaign.