CVE-2026-87886

Katalog CVE

CVSS 7.8 · High KEV · sudah dieksploitasi EPSS 0,23%

Kerentanan Incorrect Default Permissions pada acronis backup. Skor CVSS 3.0 7.8 (High) menurut acronis.com. Masuk katalog KEV CISA pada 16 September 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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.

Advisory KUTIM-CSIRT

• Peringatan Keamanan: Rekapitulasi Kerentanan yang Dieksploitasi Aktif (KEV CISA) Periode 15 Agustus sampai 30 September 2026 30 Sep 2026

Rincian

Terbit di NVD

17 September 2026

Terakhir diubah

18 September 2026

Status NVD

Analyzed

CVSS 3.0

7.8 (High), sumber acronis.com
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-276: Incorrect Default Permissions

EPSS (30 hari)

0,23% peluang dieksploitasi; lebih tinggi dari 13,1% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Acronis Backup Incorrect Default Permissions Vulnerability

Masuk KEV

16 September 2026

Tenggat CISA

19 September 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

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.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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