CVE-2018-15832: Ubisoft Uplay

High severity, CVSS 8.8. EPSS: 3.7% chance of exploitation in the next 30 days.

upc.exe in Ubisoft Uplay Desktop Client versions 63.0.5699.0 allows remote attackers to execute arbitrary code. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of URI handlers. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code under the context of the current process.

Affected products

• Ubisoft Uplay: version 63.0.5699.0 only

Published 2018-09-20. Last modified 2026-06-17.