CuraSec

Act active

Critical RCE flaw in Windows IKE Extension now actively exploited

2026-08-19 11:36 UTC · BleepingComputer · read the source ↗ #windows#rce#active-exploitation
  • Engineer — Act: CISA confirmed active exploitation of this critical Windows IKE RCE — patch all Windows systems running IPsec/VPN services immediately; treat as emergency patch given KEV-level signal from CISA warning.
  • SOC/IR — Act: Active exploitation confirmed by CISA — hunt for anomalous IKE/IPsec traffic and suspicious activity originating from VPN-adjacent or edge Windows systems since the campaign began; assume-breach sweep warranted for internet-exposed IKE endpoints.
  • Leader — Plan: Confirm with infrastructure teams that Windows IPsec/VPN systems are prioritized in the current patch cycle; active exploitation elevates this above routine cadence but it falls short of board-level disclosure unless a breach is discovered.
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.