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CVE-2026-1862 is a high-severity type confusion vulnerability in the V8 JavaScript engine used by Google Chrome prior to version 144.0.7559.132. The flaw can be triggered when a target visits a crafted HTML page that causes V8 to mis-handle object types, leading to invalid memory access and heap corruption. In browser exploitation contexts, this class of bug can destabilize the renderer process and may be developed into arbitrary code execution within the browser process, depending on exploit reliability and any additional chaining required.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
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.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A type confusion vulnerability in Chromium's V8 engine as referenced for Microsoft Edge (Chromium-based) (no additional details provided in the content).
A type confusion vulnerability in Chromium's V8 JavaScript engine that can lead to remote code execution.
Unknown (listed as a trending CVE affecting Google Chrome; no technical details provided in the content).
Unknown (listed as a trending CVE affecting Google Chrome; no technical details provided in the content).
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.