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Windows LegacyHive zero-day flaw gets free, unofficial patches

📅 21 July 2026 at 08:06 UTC📰 Bleeping ComputerView original source ↗
Windows LegacyHive zero-day flaw gets free, unofficial patches

Free unofficial patches are available for a recently disclosed Windows zero-day flaw that allows attackers to escalate privileges on up-to-date Windows systems. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A Windows zero-day flaw, dubbed LegacyHive, allows attackers to escalate privileges on up-to-date systems, with free unofficial patches available for affected systems.

⚙️Technical Details
Affected Systems
Windows versions older than Windows 10 2004 and Windows Server 2019
Attack Vectors
Non-admin users can exploit LegacyHive to modify the classes registry hive and gain automatic code execution when the admin account logs into a compromised device
💥Impact Assessment
Severity: High
Who Is at Risk
Non-admin users on affected systems
🛡️Recommended Actions
1Apply free unofficial patches from ACROS Security to affected systems
2Enable 0Patch agent and configure custom patching policies to block the exploit
3Monitor system logs for suspicious activity and implement additional security measures
📦Affected Products
Windows versions older than Windows 10 2004 and Windows Server 2019

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