Cyber Security News for July 30 2026 - Daily DefSec Brief

Daily DefSec Brief · Jul 30, 2026 · 5m · transcript

1. Cisco Secure Firewall Management Center hardcoded password added to CISA KEV — CVE-2026-20316 — CISA KEV — https://www.cisa.gov/known-exploited-vulnerabilities-catalog 2. Cisco Secure FMC authentication bypass — hot fixes released — CVE-2026-20079 — Cisco PSIRT — https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2 3. Three critical VMware flaws: vCenter auth bypass, RCE, and ESXi VM escape — CVE-2026-59309, CVE-2026-59310, CVE-2026-47876 — The Hacker News —…