CISO Daily Digest: Windows Netlogon RCE Vulnerability (20260604)
Key cybersecurity events and threats as of June 04, 2026
Active Exploitation of Windows Netlogon RCE Vulnerability Targets Enterprise Networks
Security researchers have confirmed active exploitation of a remote code execution vulnerability in the Windows Netlogon service, with attackers specifically targeting Domain Controllers in enterprise environments. The vulnerability allows unauthenticated attackers to execute arbitrary code on affected systems, potentially compromising entire Active Directory domains. Microsoft has released emergency patches, and organizations are urged to apply them immediately as scanning for vulnerable systems has intensified across the threat landscape.
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📌 Veeam 13.0.2 Released — Fixes Backup Server HA and Cross-Platform Support Issues
Veeam has released version 13.0.2 addressing critical issues in backup server high availability configuration and cross-platform support, along with fixes for file-level data recovery setup workflows.
🔗 Reference: iThome
📌 Anthropic’s Mythos Expands — AI Security Program Goes Global
Continuing from previous days, Anthropic’s Project Glasswing (Mythos AI-powered vulnerability scanning) has expanded to protect critical infrastructure across 15+ countries, with over 200 partner organizations now participating.
🔗 Reference: Cybernews
📌 UK Banks Blocked from Mythos Offered Alternative from OpenAI
UK financial institutions blocked from accessing Anthropic’s Mythos AI security tool have received an alternative offer from rival OpenAI, highlighting the strategic importance of AI-powered cybersecurity tools in the banking sector.
🔗 Reference: BBC
📌 xAI Pauses Hiring for Grok Training Specialists
xAI has paused its hiring efforts for Grok training specialists amid reported HR strain, signaling potential shifts in the company’s AI training pipeline strategy.
🔗 Reference: bloomingbit