Nundina › Discover calendars › CISA Known Exploited Vulnerabilities calendar › CVE-2026-87886 - Acronis BackupCVE-2026-87886 - Acronis Backup16 September 2026Acronis Backup Incorrect Default Permissions Vulnerability. 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....CISA Known Exploited Vulnerabilities calendarMore from this calendar

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