EIP-2026-116275

PRE-CVE

Sony PC Companion 2.1 - 'DownloadURLToFile()' Unicode Stack Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116275. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates a stack-based Unicode buffer overflow in Sony PC Companion 2.1 via the `DownloadURLToFile()` function in WebServices.dll. The PoC uses an overly long string to overwrite the SEH handler, leading to arbitrary code execution.

Description

Sony PC Companion 2.1 - 'DownloadURLToFile()' Unicode Stack Buffer Overflow

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textdoswindows
https://www.exploit-db.com/exploits/23565

This exploit demonstrates a stack-based Unicode buffer overflow in Sony PC Companion 2.1 via the `DownloadURLToFile()` function in WebServices.dll. The PoC uses an overly long string to overwrite the SEH handler, leading to arbitrary code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Sony PC Companion 2.10.115 (Production 27.1, Build 830) and 2.10.108 (Production 26.1, Build 818)
No auth needed
Prerequisites: Victim must open the malicious HTML file in a browser with VBScript support
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026