Security Digest - July 29, 2026

Daily security intelligence briefing for infrastructure and endpoint management teams. Consolidated from authoritative research, vendor advisories, and community discussions.

• Generated (UTC): 2026-07-29 15:45:43 +00:00
• Lookback window: 7 days

🚀 Top Research & Advisories

• No high-priority security research detected in this window.

  🛠 Infrastructure & Endpoint Control

• Here are all the new features Microsoft added to Excel in July 2026 - (Neowin) Review Office update channel health and security baseline compliance.

• Microsoft Outlook is about to get one of its best features in ages - (Neowin) Review Office update channel health and security baseline compliance.

• Microsoft releases KB5101681 for Windows 11 26H1 with new calendar-based update pause - (Neowin) Evaluate update rings and expedite actions if needed. Validate workstation security baseline and update compliance.

• Microsoft releases KB5101684 for Windows 11 24H2 and 25H2 with Windows Hello upgrades - (Neowin) Evaluate update rings and expedite actions if needed. Validate workstation security baseline and update compliance.

• Only 1% of AI-discovered vulnerabilities have actually been exploited in the wild - a rate that matches standard, human-found bugs. - (Reddit r/cybersecurity) Validate Edge/WebView2 coverage; refresh managed package.

• Windows 11 KB5101684 update released with 42 changes and fixes - (BleepingComputer) Validate workstation security baseline and update compliance.

🔍 Quick Links (Watch Items)

• NVIDIA BlueField Vulnerability Enables Code Execution Attacks - (CybersecurityNews)
• Sweet Security Brings Autonomous Protection to the AI Enterprise with New Blocking Capabilities - (CybersecurityNews)
• To any CISO’s / IT Risk Managers - How are you handling AI Risk Assessments and AI Security Governance ? - (Reddit r/cybersecurity)
• Only 1% of AI-discovered vulnerabilities have actually been exploited in the wild - a rate that matches standard, human-found bugs. - (Reddit r/cybersecurity)
• How is your org actually handling AI coding agents with shell and network access? - (Reddit r/cybersecurity)
• Security+ Studying/Prep Advice - (Reddit r/cybersecurity)
• AgentHound: Offensive security framework for AI agent infrastructure. BloodHound for the agentic stack. - (Reddit r/cybersecurity)
• Kickstart Career in Germany, OffSec vs AppSec vs General as first step? - (Reddit r/cybersecurity)
• vBulletin fixes critical pre-auth RCE flaw with public exploit - (BleepingComputer)
• Apple is turning to AI companies to improve the security of its operating systems - (Neowin)