Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit

SecurityWeek

August 31, 2026 at 2:32 PM

Overview

A vulnerability in Kaspersky's Endpoint Security product has been patched following its disclosure by the hacking group Nightmare Eclipse. The exploit, dubbed 'HardBreacher,' was revealed to affect users of Kaspersky's security software, potentially allowing attackers to bypass security measures. Kaspersky confirmed that they have released a patch to address this issue. This incident emphasizes the importance of timely updates in cybersecurity products to protect users from emerging threats. Organizations using Kaspersky's Endpoint Security should ensure they apply the latest updates to safeguard their systems.

Key Takeaways

Affected Systems: Kaspersky Endpoint Security
Action Required: Kaspersky has patched the vulnerability in the Endpoint Security product.
Timeline: Disclosed on October 2023

Original Article Summary

Kaspersky told SecurityWeek that it patched the vulnerability affecting its Endpoint Security product. The post Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit appeared first on SecurityWeek.

Impact

Kaspersky Endpoint Security

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Disclosed on October 2023

Remediation

Kaspersky has patched the vulnerability in the Endpoint Security product. Users should apply the latest updates.

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, Vulnerability, Patch, and 1 more.

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