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New Windows RPC Vulnerability Lets Attackers Escalate Privileges Across All Windows Versions

📅 25 April 2026 at 17:50 UTC📰 Cyber Security NewsView original source ↗
New Windows RPC Vulnerability Lets Attackers Escalate Privileges Across All Windows Versions

PhantomRPC, a newly identified architectural vulnerability in Windows Remote Procedure Call (RPC) that enables local privilege escalation to SYSTEM-level access, potentially affecting every version of Windows. The research was presented by Kaspersky application security specialist Haidar Kabibo at Black Hat Asia 2026 on April 24 and details five distinct exploitation paths, none of which have […] The post New Windows RPC Vulnerability Lets Attackers Escalate Privileges Across All Windows Versions appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A newly identified architectural vulnerability in Windows Remote Procedure Call (RPC) allows attackers to escalate local privileges to SYSTEM-level access, potentially affecting all versions of Windows.

⚙️Technical Details
Affected Systems
All versions of Windows
Attack Vectors
Five distinct exploitation paths
💥Impact Assessment
Severity: Critical
Who Is at Risk
Users and administrators of all versions of Windows
🛡️Recommended Actions
1Apply the latest security patches as soon as possible
2Disable Remote Procedure Call (RPC) services when not in use
3Monitor system logs for suspicious activity
📦Affected Products
Product Name: WindowsVersion Range: All versions

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