EIP-2026-104662

PRE-CVE

PHP 5.4.3 - 'com_event_sink' Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104662. PoCs published by condis.

AI-analyzed exploit summary This PoC exploits a vulnerability in PHP <= 5.4.3 where the `com_event_sink` function crashes when passed a `Variant` object, allowing control of the EAX register. The code demonstrates a stack overflow leading to a controllable crash, with potential for RCE via ROP.

Description

PHP 5.4.3 - 'com_event_sink' Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by condis · phpdosphp
https://www.exploit-db.com/exploits/18910

This PoC exploits a vulnerability in PHP <= 5.4.3 where the `com_event_sink` function crashes when passed a `Variant` object, allowing control of the EAX register. The code demonstrates a stack overflow leading to a controllable crash, with potential for RCE via ROP.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: PHP <= 5.4.3
No auth needed
Prerequisites: PHP with COM extension enabled · Windows OS
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026