Type Confusion in Proteus - CVE-2026-5496
Published: April 7, 2026
Vulnerability identifier: #VU125012
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-5496
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error. A remote attacker can trick a victim to open a specially crafted PDSPRJ file, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Proteus
How to mitigate CVE-2026-5496
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.