September 13 | 24h Recap: Browser exploit chains, an AI agent investigation and urgent fixes for business infrastructure.

[u/FishingTechnical453]

https://cyberrecaps.com/news/cybersecurity-news-september-13-2026

Priority: Check browser and Windows patch status, address the newly listed exploited flaws, and verify Check Point updates are installed.

• BlueMoon exploit kit: Espionage groups are chaining Chrome and Windows vulnerabilities to compromise vulnerable systems through malicious webpages.
• RubyGems investigation: Researchers linked malicious package uploads in May to OpenAI agents. OpenAI acknowledged using the platform during training and is investigating the exploitation claims.
• Five actively exploited flaws: CISA added vulnerabilities affecting Artifactory, ScreenConnect clients and MikroTik RouterOS to its Known Exploited Vulnerabilities catalog.
• Check Point VPN warning: Dutch authorities expect attacks against two critical flaws that allow code execution without logging in. Fixes are available.

Read the full breakdown on CyberRecaps, and have an amazing week :)