{"id":"CVE-2026-87886","vendor_project":"Acronis","product":"Backup","vulnerability_name":"Acronis Backup Incorrect Default Permissions Vulnerability","date_added":"2026-09-16","due_date":"2026-09-19","known_ransomware_use":"Unknown","short_description":"Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.","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-276","cvss_version":"3.0","cvss_severity":"HIGH","cvss_vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","nvd_published":"2026-09-17","nvd_status":"Analyzed","epss":0.00254,"epss_percentile":0.17317,"cvss_score":7.8,"days_published_to_kev":-1,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-87886","by":"CyberMax"}