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CVE-2026-12012 is a use-after-free vulnerability in the Network component of Google Chrome affecting versions prior to 149.0.7827.115. An attacker in a privileged network position could potentially trigger and exploit heap corruption through malicious network traffic. The vulnerability also affects Chromium-based Microsoft Edge through its Chromium dependency. The specific vulnerable function is not identified.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity use-after-free vulnerability in Google Chrome's Network component allows an attacker in a privileged network position to potentially exploit heap corruption through malicious network traffic. The plugin lists a CVSS v3 base score of 8.1. Its remediation recommends Chromium package version 149.0.7827.114 or later, while the vulnerability description identifies Chrome versions before 149.0.7827.115 as affected; these version thresholds should not be treated as interchangeable without vendor confirmation.
A high-severity use-after-free vulnerability in Chrome Network.
A high-severity use-after-free vulnerability in Chrome Network.
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.