U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog

SecurityAffairs RSS aggregation highlighting active exploitation and major vulnerability disclosures, including CISA KEV additions affecting Cisco, Chromium V8, Fortinet, Citrix NetScaler, Microsoft, N-able, and Adobe; an actively exploited Chrome V8 zero-day; exploitation of F5 BIG-IP APM leading to a fileless rootkit and PHP web shells; a Microsoft Defender zero-day proof of concept; and Microsoft’s September 2026 Patch Tuesday with hundreds of fixes and wormable vulnerabilities. The feed also covers nation-state Chrome exploit-kit reuse and AI security risks.