---
id: CVE-2025-9578
title: Local privilege escalation due to insecure folder permissions
summary: >-
  Local privilege escalation due to insecure folder permissions. The following
  products are affected: Acronis Cyber Protect Cloud Agent (Windows) before
  build 40734.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-732
published: '2025-08-28'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9578'
references:
  - url: 'https://security-advisory.acronis.com/advisories/SEC-9107'
    label: security@acronis.com
tags:
  - nvd
epss: 0.00126
epssPercentile: 0.01928
ingestedAt: '2026-09-26T00:22:39.885Z'
---

## Overview

Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis Cyber Protect Cloud Agent (Windows) before build 40734.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.