Acronis Patches Actively Exploited Privilege Escalation Flaw in cPanel Backup Plugin

Acronis has patched CVE-2026-87886, a high-severity insecure file permissions vulnerability in its cPanel backup plugin that allows local privilege escalation. The flaw is reported as actively exploited, though details on the attack scope and affected versions remain limited. This matters because the plugin is widely deployed on web hosting servers, making it a high-value target for attackers seeking to compromise hosting infrastructure.