CVE-2026-87886

State: Published
Severity: 7.8 High
Published: Sep 17, 2026
Updated: Sep 18, 2026
Reserved: Sep 9, 2026

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.

Scores

CVSS	Score	Vector	Source
3.0	7.8 High	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Acronis

Weaknesses

CWE-276

Affected Products

Product	Versions
Acronis Backup plugin for cPanel & WHMAcronis	before 1.9.3.1021Affected
Acronis Backup extension for PleskAcronis	before 1.8.11.638Affected
Acronis Backup plugin for DirectAdminAcronis	before 1.2.3.238Affected

References

SEC-10986vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87886exploit

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