CISA has added four vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-55591 Fortinet FortiOS Authorization Bypass Vulnerability CVE-2025-21333 Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability CVE-2025-21334 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability CVE-2025-21335…