CVE

CVE-2026-87886

Acronis Backup Incorrect Default Permissions Vulnerability

Acronis · Backup

Date added (CISA)

2026-09-16

Remediation due

2026-09-19

Known ransomware use

Not indicated

Remediation priority

P2 — past CISA due date

ATT&CK mapping

No ATT&CK mapping yet

The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.