CVE-2026-15122 is an insufficient input validation vulnerability in the Codecs component of Google Chrome on Windows before version 150.0.7871.115. A remote attacker who has already compromised a renderer process could potentially exploit the flaw through a crafted HTML page to escape the browser sandbox. The specific vulnerable function and malformed input details are not available.
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No public exploit code observed for this vulnerability.
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A high-severity input-validation vulnerability in Google Chrome's Codecs component could enable sandbox escape through a crafted HTML page, provided the attacker has already compromised the renderer process. The advisory identifies Chrome on Windows before version 150.0.7871.115 and flags affected Chromium packages. The CVSS v3 base score is 8.3. The prescribed fix is to update Chromium and related packages to version 150.0.7871.114-1~deb12u1 or later.
A high-severity insufficient input validation vulnerability in Chrome's Codecs component.
A high-severity insufficient validation of untrusted input vulnerability in Chrome's Codecs component.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.