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CVE-2026-16422 is a high-severity insufficient validation of untrusted input vulnerability in Google Chrome's certificate handling on Linux. In versions prior to 150.0.7871.182, improper validation of certificate-related network input can allow a network attacker in a privileged position to induce incorrect domain trust decisions, resulting in domain spoofing. The issue affects the browser's handling of certificate data rather than a memory-safety condition, and can be triggered through malicious network traffic presented to the victim's browser.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity insufficient validation of untrusted input vulnerability in Chrome's Certificate component.
One of 12 High-severity vulnerabilities fixed in Google Chrome 150.0.7871.181/.182 as part of the July 21, 2026 security update.
A high-severity insufficient validation of untrusted input vulnerability in Certificate handling.
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.