[CISA KEV] CVE-2026-87886 — Acronis Backup: Acronis Backup Incorrect Default Permissions Vulnerability

CVE: CVE-2026-87886 Vendor: Acronis Product: Backup Vulnerability: Acronis Backup Incorrect Default Permissions Vulnerability Date Added: 2026-09-16 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).