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Nessus Agent Vulnerability on Windows Enables Arbitrary Code Execution with SYSTEM Privileges

📅 27 April 2026 at 03:37 UTC📰 Cyber Security NewsView original source ↗
Nessus Agent Vulnerability on Windows Enables Arbitrary Code Execution with SYSTEM Privileges

A newly disclosed security vulnerability in Tenable’s Nessus Agent for Windows could allow attackers to execute malicious code with the highest level of system privileges, raising serious concerns for enterprise security teams relying on the widely-deployed vulnerability assessment platform. The flaw enables a threat actor to create a Windows junction, a type of filesystem symbolic […] The post Nessus Agent Vulnerability on Windows Enables Arbitrary Code Execution with SYSTEM Privileges appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A vulnerability in Tenable's Nessus Agent for Windows allows attackers to execute arbitrary code with SYSTEM privileges, posing a significant threat to enterprise security teams relying on the platform. This flaw enables threat actors to create a Windows junction and potentially escalate their privileges.

⚙️Technical Details
Affected Systems
Windows
Attack Vectors
Windows junction
💥Impact Assessment
Severity: Critical
Who Is at Risk
Enterprise security teams relying on Nessus Agent for vulnerability assessment
🛡️Recommended Actions
1Immediately update Nessus Agent to the latest version
2Disable Windows junctions until a patch is available
3Monitor system logs for suspicious activity
📦Affected Products
Tenable's Nessus Agent for Windows

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