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October 27, 2025

Zero Day Initiative — Pwn2Own Ireland 2025: Day Three and Master of Pwn

Welcome to the third and final day of Pwn2Own Ireland 2025. So far, we’ve awarded $792,750 for 56 unique 0-day bugs, and we still have 17 attempts to go! We’ll be updating this blog with live results as we have them, so refresh often.

Zero Day Initiative — Pwn2Own Ireland 2025: Day One Results

Welcome to Day One of Pwn2Own Ireland 2025! We have 17 attempts today with some exciting research on display. We’ll be posting results here as we have them, and follow us on Twitter , Mastodon , and Bluesky .

Zero Day Initiative — Pwn2Own Ireland 2025 - Day Two Results

Welcome to Day Two of Pwn2Own Ireland 2025. Yesterday, we awarded $522,500 for 34 unique 0-day bugs. The Summoning Team took a slim lead in the Master of Pwn, but big changes could happen today as we have 19 more attempts today. We’ll be updating this blog with results as they come in, so refresh of

Summary of the Amazon DynamoDB Service Disruption in Northern Virginia (US-EAST-1) Region
CISA: High-severity Windows SMB flaw now exploited in attacks

CISA says threat actors are now actively exploiting a high-severity Windows SMB privilege escalation vulnerability that can let them gain SYSTEM privileges on unpatched systems.