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CVE-2026-4673 is a high-severity heap buffer overflow vulnerability in the WebAudio component of Google Chrome. In Chrome versions prior to 146.0.7680.165, a remote attacker can trigger the flaw by causing a target to load a crafted HTML page, resulting in an out-of-bounds memory write. The issue is a memory corruption bug in heap-managed data within WebAudio and is classified as CWE-122. Chromium assigned the vulnerability High severity.
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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.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
22 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity heap buffer overflow vulnerability in Chrome's WebAudio component.
A high-severity heap buffer overflow vulnerability in Chrome's WebAudio component.
A heap buffer overflow vulnerability in WebAudio in Google Chrome that allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page.
A high-severity heap buffer overflow vulnerability in Chrome WebAudio.
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.