{"id":"CVE-2026-53266","vendor_project":"Linux","product":"Kernel","vulnerability_name":"Linux Kernel Out-of-Bounds Write Vulnerability","date_added":"2026-09-18","due_date":"2026-09-21","known_ransomware_use":"Unknown","short_description":"Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.","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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","nvd_published":"2026-06-25","nvd_status":"Analyzed","epss":0.00276,"epss_percentile":0.20235,"cvss_score":8.8,"days_published_to_kev":85,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-53266","by":"CyberMax"}