March 2026 CVE Landscape: 31 High-Impact Vulnerabilities Identified, Interlock Ransomware Group Exploits Cisco FMC Zero-Day

Insikt Group® reports that 31 high-impact vulnerabilities were actively exploited in March 2026 (29 with Very Critical Recorded Future Risk Scores), affecting multiple major vendors (including Cisco, Microsoft, Apple, Google, and others). Notable activity includes Interlock ransomware exploiting a Cisco FMC zero-day to deploy RATs and ransomware, Safari iOS full-chain exploits delivering multiple payload families, public PoCs for several CVEs, and published Nuclei templates to aid detection; defenders are urged to prioritize remediation, monitor IoCs, and apply compensating controls where patching is not possible.