Chrome Zero-Day Exploit: CVE-2025-10585 in V8 Engine

In this week’s episode of IT SPARC Cast - CVE of the Week, John Barger and Lou Schmidt dive into CVE-2025-10585, a newly discovered and actively exploited Chrome zero-day vulnerability that targets the V8 JavaScript engine. This type confusion flaw opens the door to arbitrary code execution — and yes, it’s already being used in the wild. With 70% of the browser market affected, this isn’t just a theoretical risk.John and Lou break down the exploit mechanics, what V8 is and why it’s so critical, and how this CVE marks the sixth Chrome zero-day in 2025 alone. They also discuss mitigation steps and the ripple effects for Chromium-based browsers like Edge, Brave, and Opera. As a bonus, the duo interprets a cryptic (and possibly alarming) listener comment involving fileless malware, COFF loaders, and HTTPS delivery — spooky stuff.⸻🔗 IT SPARC Cast@ITSPARCCast on Xhttps://www.linkedin.com/company/sparc-sales/ on LinkedIn🎙️ John Barger@john_Video on Xhttps://www.linkedin.com/in/johnbarger/ on LinkedIn🎙️ Lou Schmidt@loudoggeek on Xhttps://www.linkedin.com/in/louis-schmidt-b102446/ on LinkedIn Hosted on Acast. See acast.com/privacy for more information.

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This episode was published on September 19, 2025.

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