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Critical Security Vulnerability in Epson Printer Drivers for Windows – What IT Administrators Need to Do Now

Security Flaw CVE-2025-42598 Affects Millions of Devices Worldwide

A newly discovered, highly critical security vulnerability—CVE-2025-42598—is currently causing concern among IT departments. The issue affects virtually all Epson printer drivers for Windows systems. What makes it especially dangerous is that it allows attackers to execute arbitrary malicious code with system privileges during driver installation—potentially compromising not just the device but the entire network.

security flaw

Who Is Affected?

This security vulnerability impacts all Windows systems where Epson printer drivers are being installed, particularly in the following cases:

  • Non-English Windows versions
  • Systems that have been switched from English to another language

During the installation process, attackers can insert a manipulated DLL file that is then executed with full administrative privileges. This could give them complete control over the affected device and enable lateral movement across the network—a worst-case scenario for IT security.

Patch Available – Immediate Action Required

Epson has responded quickly to the disclosure and released a security patch. There are two ways to apply the update:

  • Manual installation of the patch from the Epson website
  • Automatic update using the Epson Software Updater

Recommendation: IT administrators should immediately check whether Epson printer drivers are in use within their organization and, if so, apply the update without delay.

Long-Term Protection for Your Print Infrastructure

While a patch is available in this case, the vulnerability is yet another reminder of how fragile local print infrastructures can be—especially when driver installation and management are performed manually or in a decentralized manner.

Best Practices to Prevent Similar Issues:

  • Centralized printer management: Use solutions that allow centralized control and deployment of printer drivers.
  • Cloud printing without local drivers: Modern cloud-based solutions like ThinPrint´s ezeep Blue enable secure printing without the need for local driver installation—greatly reducing the attack surface.
  • Restrict administrative rights: Ensure users cannot install printer drivers requiring elevated privileges.
  • Regular security reviews of your print environment, including drivers, protocols, and device settings.

Conclusion: Prepare Today to Stay Secure Tomorrow

The CVE-2025-42598 vulnerability is a wake-up call. It demonstrates that traditional print infrastructures are vulnerable—technically and operationally. With solutions like ThinPrint, companies can establish a secure, centrally managed, and future-proof print environment that stands strong against evolving threats.

Take Action Now:
Check your Epson printer drivers, apply the patch, and evaluate your overall print strategy for potential risks.

Ready to Modernize Your Print Environment?

Our team is here to help you adopt secure, scalable, and driverless printing solutions.
Let’s Get in Touch! Contact the ezeep Team – ezeep