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CVE-2026-87491· google / chromium v8· CWE-787

Google Chromium V8 Out of Bounds Write Vulnerability

Exploited in the wild. Listed by CISA on 2026-09-09; known to be used by ransomware.

3.5%likelihood of exploitation, next 30 days
89%of all CVEs are less likely
Nonecheck to confirm it

Google Chromium V8 contains an out of bounds write vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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