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CVE-2024-9370 is a high-severity vulnerability in the V8 JavaScript engine used by Google Chrome and Chromium-based Microsoft Edge. The flaw is caused by an incorrect optimization in V8’s Maglev compiler escape analysis. Specifically, Maglev can inline allocation for a constructor’s this object and later elide the corresponding InlinedAllocation node when it determines the object is no longer referenced, such as when a constructor returns a primitive value. If Error() is then invoked within the same constructor, the Error() constructor traverses the stack and encounters the elided receiver object, violating compiler/runtime invariants and triggering a CHECK failure (reported as "Check failed: !translated_values->IsMaterializedObject()"). According to the provided content, invariant violations of this type are potentially exploitable for memory corruption and arbitrary code execution in the renderer process when a victim visits a specially crafted HTML page.
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No public exploit code observed for this vulnerability.
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A Microsoft Edge Chromium vulnerability involving inappropriate implementation in V8, referenced as advisory information.
A high-severity incorrect optimization vulnerability in Google Chrome's V8 JavaScript engine Maglev compiler escape analysis that can be triggered by a specially crafted HTML page and may lead to arbitrary code execution in the renderer process.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.