Executive Summary

CVE-2026-5496 is a remote code execution vulnerability found in Labcenter Electronics Proteus software, specifically in how it parses PDSPRJ files.

The vulnerability occurs because the software does not properly validate user-supplied data, which leads to a type confusion condition.

An attacker can exploit this flaw by tricking a user into visiting a malicious webpage or opening a malicious file, which then allows the attacker to execute arbitrary code within the context of the current process.

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Impact Analysis

This vulnerability can have serious impacts because it allows remote attackers to execute arbitrary code on your system if you interact with malicious content.

• Attackers can gain control over the affected process, potentially leading to data theft, system compromise, or further malware installation.
• Since exploitation requires user interaction, users opening malicious files or visiting malicious websites are at risk.

The vulnerability has a high CVSS score of 7.8, indicating a high severity with impacts on confidentiality, integrity, and availability.

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Mitigation Strategies

To mitigate this vulnerability, avoid opening PDSPRJ files from untrusted or unknown sources and do not visit suspicious or untrusted webpages that may deliver malicious files.

Ensure that user interaction with potentially malicious content is minimized, as exploitation requires user action such as opening a malicious file or visiting a malicious page.

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