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CVE-2026-6314 is a high-severity out-of-bounds write vulnerability in the GPU component of Google Chrome affecting versions prior to 147.0.7727.101 on Linux and prior to 147.0.7727.101/102 on Windows and macOS. The flaw is a memory corruption condition in the GPU process code path that can write beyond the bounds of an intended buffer. In Chrome’s multi-process architecture, the GPU process handles attacker-influenced graphics operations originating from web content. If an attacker first achieves compromise of the GPU process through a separate vulnerability or technique, this out-of-bounds write can then be leveraged via crafted HTML content to break out of the GPU sandbox. Publicly available information does not disclose the exact vulnerable function, buffer, or bounds-check failure, but the issue is classified as CWE-787 and was fixed in Chrome 147.0.7727.101/102.
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An out-of-bounds write vulnerability in the GPU component of Google Chrome that could allow a remote attacker, after compromising the GPU process, to potentially escape the sandbox via a crafted HTML page.
A high-severity out-of-bounds write vulnerability in GPU in Google Chrome.
An out-of-bounds write vulnerability in Google Chrome's GPU process that can enable a sandbox escape from the GPU process into a broader system context as part of a multi-stage attack chain.
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.