Cisco hit by max severity zero-day exploit targeting Identity Services Engine, so it's time to patch up

Cisco fixed critical ISE flaw (CVE‑2026‑76460) allowing unauthenticated API authentication bypassActively exploited; no workarounds exist—patching is the only mitigation, per Cisco PSIRTCISA added to KEV catalog, mandating federal agencies patch or disable ISE by Sept 19, 2026Cisco has fixed a maximum-severity vulnerability found in its Identity...