Fiche vulnérabilité
CVE-2026-87886 : faille exploitée acronis acronis backup (CVSS 7.8)
Description
Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238.
En bref
- Sévérité
- Élevée (CVSS 7.8)
- Vecteur CVSS
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Oui, inscrite au catalogue CISA KEV
- Publication
- 17 sept. 2026
- Dernière mise à jour
- 18 sept. 2026
Produits concernés
- acronis acronis backup
Correctif et mesures
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.