CVE-2026-87886

HIGH CVSS 7.8 View on NVD ↗

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

acronis/acronis_backup linux/linux_kernel

References

https://security-advisory.acronis.com/advisories/SEC-10986
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87886

Published: Sep 17, 2026 23:18 UTC Modified: Sep 18, 2026 19:29 UTC