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CVE-2026-87564 is a high-severity type-confusion vulnerability in the V8 JavaScript engine used by Google Chrome prior to version 153.0.8010.36. A remote attacker can trigger the flaw by causing Chrome to process a crafted HTML page, enabling memory reads within the browser sandbox.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity type-confusion vulnerability in the V8 JavaScript engine used by Google Chrome. A remote attacker could use a crafted HTML page to read memory within the browser sandbox in Chrome versions before 153.0.8010.36.
A vulnerability identified as CVE-2026-87564 affecting Debian Linux 12.0, 13.0, and 14.0. The provided CVSS v3 vector indicates network reachability, no privileges required, user interaction required, and high confidentiality and integrity impact; availability impact is not indicated.
Type-confusion flaw in Chrome V8 JavaScript engine.
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.