EIP-2026-116274

PRE-CVE

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

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116274. PoCs published by LiquidWorm.

AI-analyzed exploit summary The exploit demonstrates a stack-based Unicode buffer overflow in Sony PC Companion 2.1 via the 'CheckCompatibility' function in PimData.dll. The vulnerability is triggered by an overly long string passed to the 'OrgHeartBeat' parameter, leading to arbitrary code execution.

Description

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

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textdoswindows
https://www.exploit-db.com/exploits/23568

The exploit demonstrates a stack-based Unicode buffer overflow in Sony PC Companion 2.1 via the 'CheckCompatibility' function in PimData.dll. The vulnerability is triggered by an overly long string passed to the 'OrgHeartBeat' parameter, leading to arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
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