Chaotic Eclipse Unveils LegacyHive Exploit Affecting Fully Patched Windows Systems
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-33825 | Local Privilege Escalation in Microsoft Defender Antimalware Platform | 7.8 | 7% | KEVRansomwarePoC | KEV |
CVE-2026-45498+1 related CVE | Denial-of-Service Vulnerability in Microsoft Defender Antimalware Platform | 7.5 group max | 63% | KEV | KEV |
From the original article
3 min read at securityaffairs.com
LegacyHive PoC exposes a Windows Privilege Escalation flaw affecting fully patched Windows desktop and server systems. Just hours after Microsoft’s July 2026 Patch Tuesday , security researcher Nightmare Eclipse, also known as Chaotic Eclipse , published a new Windows zero-day proof-of-concept called LegacyHive.
By @securityaffairs · securityaffairs.com
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