01 Poland’s CERT Warns of Active Exploitation of Critical Zimbra Collaboration Suite Flaw Security Affairs // 2026-08-21 09:14 UTC P30
02 U.S. CISA adds TrueConf Server flaws to its Known Exploited Vulnerabilities catalog Security Affairs // 2026-08-21 08:22 UTC P30
03 CISA orders feds to patch actively exploited TrueConf Server flaws BleepingComputer // 2026-08-21 12:25 UTC P25
04 Microsoft patches max severity code execution, privilege escalation flaws BleepingComputer // 2026-08-21 11:04 UTC P25
05 Canada’s Hospital for Sick Children attacked by cybercriminals again as employee data stolen The Record // 2026-08-21 15:00 UTC P15