CVE-2018-15832

HIGH

Ubisoft Uplay Desktop Client 63.0.5699.0 - Remote Code Execution via URI Handler

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2018-15832. PoCs published by Che-Chun Kuo, anon135792408.

AI-analyzed exploit summary This exploit leverages a URI parsing command injection vulnerability in Ubisoft Uplay Desktop Client 63.0.5699.0. By crafting a malicious URI with Chromium command-line switches, an attacker can achieve arbitrary code execution via the --GPU-launcher flag.

Description

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.

Exploits (2)

exploitdb WORKING POC
by Che-Chun Kuo · textremotewindows
https://www.exploit-db.com/exploits/45429

This exploit leverages a URI parsing command injection vulnerability in Ubisoft Uplay Desktop Client 63.0.5699.0. By crafting a malicious URI with Chromium command-line switches, an attacker can achieve arbitrary code execution via the --GPU-launcher flag.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Ubisoft Uplay Desktop Client 63.0.5699.0
No auth needed
Prerequisites: Victim must have Ubisoft Uplay Desktop Client 63.0.5699.0 installed · Victim must interact with a malicious link or webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec STUB
by anon135792408 · poc
https://github.com/anon135792408/Ubisoft-Uplay-Desktop-Client-63.0.5699.0

The repository contains only a README.md file with minimal content, providing no exploit code or technical details for CVE-2021-15832. It lacks any actionable proof-of-concept or vulnerability analysis.

Classification
Stub 10%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: Ubisoft Uplay Desktop Client 63.0.5699.0
No auth needed
Prerequisites: none
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45429/

Scores

CVSS v3 8.8
EPSS 0.0367
EPSS Percentile 88.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
ubisoft/uplay 63.0.5699.0
Published Sep 20, 2018
Tracked Since Feb 18, 2026