eScan confirms update server breached to push malicious update

BleepingComputer

January 28, 2026 at 9:00 PM

Actively Exploited

Overview

MicroWorld Technologies, the company behind the eScan antivirus software, has confirmed that one of its update servers was compromised. This breach allowed attackers to distribute a malicious update to a small number of eScan users earlier this month. The unauthorized update was later analyzed and flagged as harmful, raising concerns about the security of users' systems. Although the number of affected customers is limited, the incident underscores the risks associated with software updates and the potential for malicious actors to exploit vulnerabilities in update mechanisms. Users of eScan should remain vigilant and ensure their software is updated from legitimate sources to avoid such threats.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: eScan antivirus software
Action Required: Users are advised to ensure that software updates are obtained from trusted sources only.
Timeline: Disclosed on [date]

Original Article Summary

MicroWorld Technologies, the maker of the eScan antivirus product, has confirmed that one of its update servers was breached and used to distribute an unauthorized update later analyzed as malicious to a small subset of customers earlier this month. [...]

Impact

eScan antivirus software

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Disclosed on [date]

Remediation

Users are advised to ensure that software updates are obtained from trusted sources only.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Exploit, Update.

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