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Acronis Cyber Protect B40901 May 2026

Acronis released Build 40901 for Acronis Cyber Protect Home Office (formerly Acronis True Image) to improve OS compatibility and address critical security vulnerabilities. This update is a recommended installation for both Windows and Mac users to maintain system stability and data protection. Key Features and Updates

Build 40901 is primarily a security and maintenance release. Its most critical function was addressing a high-severity security vulnerability that affected earlier builds. Security Fix (CVE-2023-48677):

Key principle: No separate AV + backup – unified management.

The identifier B40901 specifically refers to a hardware backup appliance (often designated as the Acronis Cyber Protect Appliance B40901). This whitepaper provides an informative overview of the B40901 unit, exploring its hardware specifications, its role within the Acronis software ecosystem, and its primary use cases for Managed Service Providers (MSPs) and enterprise IT departments.

The Problem Solver: It is prized for its ability to clone a dying Hard Disk Drive (HDD) to a new Solid State Drive (SSD) or recover partitions when everything else fails.

Here is a story about a high-stakes data recovery mission involving this specific tool. The Last Boot: A Rescue Mission

At the time of its release, there were no known signs of active exploitation for the vulnerability addressed in this update. Platform Availability: This build is applicable to Acronis Cyber Protect Home Office (formerly known as Acronis True Image) on Windows and Mac. Reported Technical Issues

  1. Verify the service Acronis Managed Machine Service is running.
  2. Check network connectivity to the management server (port 443/7788).
  3. Re-register the agent via the console.