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Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit

SecurityWeek
· August 31, 2026

AI summary

A vulnerability in Kaspersky's Endpoint Security product has been patched by the company. The exploit, known as HardBreacher, was reportedly used by a group called Nightmare Eclipse. Kaspersky addressed the issue after being informed of the vulnerability.

Read the full article at SecurityWeekwww.securityweek.com/nightmare-eclipse-drops-hardbreacher-kaspersky-product-exploit/

This is an AI-generated brief aggregated by HackerFeeds for convenience and grounded in the source’s own summary; the related CVE, threat-group and country data is from HackerFeeds’ own indexes. The original article is the authoritative source — all rights belong to SecurityWeek.