🦜 Zero Day Initiative - Blog
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Pwn2Own Ireland 2026 - Day Three Results & Master of Pwn
https://www.thezdi.com/blog/2026/10/8/pwn2own-ireland-2026-day-three-results-amp-master-of-pwn
Published: October 8, 2026 10:41
Day Three of Pwn2Own Ireland 2026 wrapsup with 17 attempts scheduled, roughly $1.33 million on the board.The headliner is the Google Pixel 10, which draws three separate attempts: Xint at 11:15 AM, Ikotas Labs at 2:00 PM, and the Valsamaras/Ken Gannon…
Pwn2Own Ireland 2026 - Day Two Results
https://www.thezdi.com/blog/2026/10/7/pwn2own-ireland-2026-day-two-results
Published: October 7, 2026 09:12
Day Two of Pwn2Own Ireland 2026 has 24 attempts on the docket, with roughly $780,000 up for grabs, running 9:30 AM to 7:30 PM IST.Samsung's Galaxy S26 will be attempted three separate times — by Valsamaras/Ken Gannon (using Djini.ai)/Valsamara at 1:00 PM,…
Pwn2Own Ireland 2026 - Day One Results
https://www.thezdi.com/blog/2026/10/6/pwn2own-ireland-2026-day-one-results
Published: October 6, 2026 09:28
Welcome to Day One of Pwn2Own Ireland 2026! Today, 21 entries took the Pwn2Own stage to target multiple categories - including multiple Samsung attempts and our first Pixel entry.Follow the action live! We’ll be posting real-time updates and results…
Pwn2Own Ireland 2026 - The Full Schedule
https://www.thezdi.com/blog/2026/10/5/pwn2own-ireland-2026-the-full-schedule
Published: October 5, 2026 18:11
Fáilte! Pwn2Own Ireland 2026 has arrived in Cork, and the world's top security researchers are ready. We've got more phone entries than we've ever had, and more than 60 entries total.
Earlier today, we held the random draw to determine attempt order. Below…
CVE-2024-0244 – A heap buffer overflow in the Canon MF753Cdw printer
https://www.thezdi.com/blog/2026/9/23/cve-2024-0244-a-heap-buffer-overflow-in-the-canon-mf753cdw-printer
Published: September 23, 2026 19:03
With Pwn2Own Ireland 2026 coming up, I wanted to share an unreleased blog post from my time as a Pwn2Own contestant. This post covers the discovery and exploitation of CVE-2024-0244, which is an unauthenticated heap-based buffer overflow leading to an…
The Apple Security Update Review for September 2026
https://www.thezdi.com/blog/2026/9/16/the-apple-security-update-review-for-september-2026
Published: September 16, 2026 19:58
Welcome back to our monthly look at Apple security patches. This release shows Apple is not immune to the new normal of AI-assisted vulnerability discovery as they release patches for 273 total CVEs.For the September 2026 release, Apple released 273 unique…
The September 2026 Security Update Review
https://www.thezdi.com/blog/2026/9/8/the-september-2026-security-update-review
Published: September 8, 2026 18:32
Whelp, here we are. Deep into the new normal. With nearly 1,000 CVEs coming out from Microsoft and a healthy release from Adobe as well, there’s a phrase from my military days that comes to mind: embrace the suck. Take an extend break from your regularly…
The August 2026 Security Update Review
https://www.thezdi.com/blog/2026/8/11/the-august-2026-security-update-review
Published: August 11, 2026 17:56
I’ve successfully survived Hacker Summer Camp, and I have returned with a new outlook on patch density. When even Linus Torvalds says that huge updates are the “new normal”, it’s time to readjust what we consider a true bug apocalypse. This month’s release…
The July 2026 Apple Security Update Review
https://www.thezdi.com/blog/2026/7/29/the-july-2026-apple-security-update-review
Published: July 30, 2026 14:00
Welcome to our monthly look at Apple security patches. This release shows that Apple is not immune to the bug apocalypse that is impacting other vendors. Last month, they released 37 unique CVEs compare to this month’s 210. Quite a jump.For July 2026,…
Pwn2Own Ireland 2026 – New Targets and Categories
https://www.thezdi.com/blog/2026/7/21/pwn2own-ireland-2026-new-targets-and-categories
Published: July 21, 2026 17:23
If you just want to read the rules, you can find them here.  Pwn2Own Ireland returns for 2026, and it’s the third year for this event in the Emerald Isle. Despite the dreary Irish skies (and the threat of a random banshee), we had an amazing event, even if…