{"id":"CVE-2026-87491","vendor_project":"Google","product":"Chromium V8","vulnerability_name":"Google Chromium V8 Out of Bounds Write Vulnerability","date_added":"2026-09-09","due_date":"2026-09-23","known_ransomware_use":"Unknown","short_description":"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.","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","cwes":"CWE-787","cvss_version":"3.1","cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","nvd_published":"2026-09-09","nvd_status":"Analyzed","epss":0.00997,"epss_percentile":0.61248,"cvss_score":8.8,"days_published_to_kev":0,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-87491","by":"CyberMax"}