---
id: "CVE-2025-30414"
kind: "vulnerability"
aliases: ["CVE-2025-30414"]
title: "Acronis Cyber Protect agents: local privilege escalation through improper authentication"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["acronis", "endpoint-agents", "other", "windows"]
not_affected_if: ["fixed-build-installed", "product-not-installed"]
published_at: "2026-10-28T11:17:12+00:00"
first_seen_at: "2026-10-28T11:32:27+00:00"
updated_at: "2026-10-28T11:33:28+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30414", "first_seen_at": "2026-10-28T11:32:27+00:00"}]
---

# Acronis Cyber Protect agents: local privilege escalation through improper authentication

Acronis Cyber Protect Cloud Agent and Cyber Protect 17 on Windows have an authentication flaw that lets a local user gain higher privileges. The sources do not describe the exact mechanism beyond improper authentication.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Acronis Cyber Protect Cloud Agent build number on Windows hosts, looking for builds below `42569`.
- Check the installed Acronis Cyber Protect 17 build number on Windows hosts, looking for builds below `42587`.

## Fix

- Update Acronis Cyber Protect Cloud Agent (Windows) to build `42569` or later.
- Update Acronis Cyber Protect 17 (Windows) to build `42587` or later.

## Timeline

- 2026-10-28T11:32:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-30414

## From the sources

Local privilege escalation due to improper authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Windows) before build 42569, Acronis Cyber Protect 17 (Windows) before build 42587.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_