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CVE-2026-13774 is a use-after-free vulnerability in the Extensions component of Google Chrome before version 150.0.7871.47. An attacker who persuades a user to install a crafted malicious Chrome extension can exploit the flaw to execute arbitrary code. The specific vulnerable function and memory-management sequence are not identified.
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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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10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Google Chrome's Extensions component permits arbitrary code execution when a user is convinced to install a malicious extension. It affects Chrome versions before 150.0.7871.47 and the Chromium packages identified by this advisory. Chromium rates the vulnerability Critical; the plugin reports a CVSS v3 base score of 8.1 and High severity.
A critical use-after-free vulnerability in Chrome Extensions.
A critical use-after-free vulnerability in Chrome Extensions.
A critical use-after-free vulnerability in the Chrome extensions subsystem.
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.