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CVE-2025-14766 is a high-severity memory-safety vulnerability in the V8 JavaScript engine used by Google Chrome and Chromium-based browsers. The flaw is described as an out-of-bounds read and write condition in V8 affecting Google Chrome prior to 143.0.7499.147. By inducing the browser to process a crafted HTML page, a remote attacker may trigger heap corruption. The vulnerability arises from improper bounds handling during V8 operations, enabling memory access outside the intended buffer or object boundaries. Because the issue involves both out-of-bounds read and write behavior in a browser scripting engine, successful exploitation may destabilize the renderer process and can potentially be developed into more serious compromise scenarios, including arbitrary code execution.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.