5 Aug 2026, 13:30 UTC216 views11 reactionsread 7 August 2026 Photo
"In an era where autonomous AI agents are increasingly being used for vulnerability hunting, this course was a great reminder that deep vulnerability research still depends on a unique methodology, analytical thinking, and understanding systems at their core not just automation." – Malik Kurbanov, Founder & CEO
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3 Aug 2026, 08:47 UTC257 viewsread 7 August 2026 Photo
⚡️ Linux Kernel just issued a single-fix security update for stable LTS branches, addressing CVE-2026-64560.
We were able to exploit the bug and independently confirm that it's serious.
The impact is kernel code execution and EoP from unpriveleged user with no CAPs/userns, io_uring disable + BPF JIT hardening. The use-after-free primitive is reliable despite the race (<1m to exploit).
No wild attacks were seen yet…
30 Jul 2026, 16:47 UTC387 views2 reactionsread 7 August 2026 vmxnet3 is a ESXi-specific network card emulator. We've done some research on binary diffing and exploitation of it previously: https://zerodayengineering.com/research/vmware-esxi-vmxnet3-from-patch-to-poc.html
It is included as a hands-on case study in Hypervisor Vulnerability Research training: https://zerodayengineering.com/training/hypervisor-vulnerability-research.html
Alpha Exploit Intelligence subscription o…
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30 Jul 2026, 16:44 UTC447 views4 reactionsread 7 August 2026 VMware just released a critical security update for ESXi hypervisor suite (VMSA-2026-0006).
Two attack vectors:
1. Remote attack on vCenter –
CVE-2026-59309: auth bypass via network access
CVE-2026-59310: directory traversal RCE
An exploit would allow control of entire ESXi infrastructure.
2. A VM-escapable set of two bugs –
CVE-2026-59310: vmxnet3 OOBW
CVE-2026-41703: core OOBR
These are likely chainable to bre…
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20 Jul 2026, 15:36 UTC547 views4 reactionsread 7 August 2026 New training: Chrome Full Chain Exploit Engineering @alisaesage
Public online cohort on August 25-28, 2026 open for booking: https://zerodayengineering.com/training/chrome-full-chain/
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26 Jun 2026, 09:14 UTC909 viewsread 7 August 2026 Photo
"About three months ago I started the Browser Exploit Design training of Zero Day Engineering.
A very interesting self-paced course where a combination of browser internals, realistic exploit development workflows and hands-on exercises based on modern browser 0-days is discussed. It includes topics such as DOM use-after-free bugs, JavaScript engine type confusion and sandbox escapes in Chrome, Firefox and Safari/We…
22 Jun 2026, 07:23 UTC816 viewsread 7 August 2026 Photo
New Certification System https://zerodayengineering.com/training/certification/
Zero Day Engineering now issues a Certificate of Competence — proof of integrating the training and applying it to current frontier challenges in scope. Project-based, evaluated for honest merit.
17 Jun 2026, 09:25 UTC894 viewsread 7 August 2026 Photo
"Highly recommended for anyone looking to deepen their understanding of browser security internals and the full exploit lifecycle" – Bruno Eligio Pavesi, Red Team Operator, Penetration Tester
Browser Exploit Design course: https://zerodayengineering.com/training/browser-exploit-design.html
11 Jun 2026, 08:04 UTC842 views2 reactionsread 7 August 2026 Photo
New course review: "Probably the best use of my time and effort I have made in some time." – Vikram Hegde, ML Engineer & Data Scientist, CA, US
Vikram took Browser Exploit Design course after building his foundation with Zero Day Vulnerability Research course:
1- https://zerodayengineering.com/training/universal-vulnerability-research.html
2- https://zerodayengineering.com/training/browser-exploit-design.html
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10 Jun 2026, 09:43 UTC784 views2 reactionsread 7 August 2026 Now available: Alpha Exploit Intelligence https://zerodayengineering.com/intelligence/index.html
Curated zero-day and exploit intelligence, delivered as a quarterly membership.
For decision-makers operating where the offensive landscape matters.
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2 Jun 2026, 10:34 UTC≈1,170 views4 reactionsread 7 August 2026 Photo
New Zero Day Engineering research: Chrome Exploit Mitigations (by @alisaesage) https://zerodayengineering.com/research/chrome-exploit-mitigations/
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1 Jun 2026, 10:00 UTC789 views2 reactionsread 7 August 2026 Photo
Summer Bundles https://zerodayengineering.com/promo
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Showing the 12 most recent of 14 posts we hold for @zerodaytraining. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.