EIP-2026-117769

PRE-CVE

PHP 6.0 Dev - 'str_transliterate()' Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117769. PoCs published by Yakir Wizman.

AI-analyzed exploit summary This exploit targets a buffer overflow in PHP 6.0 Dev's str_transliterate() function to execute arbitrary code via a crafted Unicode payload. It leverages a JMP ESP instruction in php6ts.dll to redirect execution to a WinExec-based shellcode that launches CALC.

Description

PHP 6.0 Dev - 'str_transliterate()' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by Yakir Wizman · phplocalwindows
https://www.exploit-db.com/exploits/12051

This exploit targets a buffer overflow in PHP 6.0 Dev's str_transliterate() function to execute arbitrary code via a crafted Unicode payload. It leverages a JMP ESP instruction in php6ts.dll to redirect execution to a WinExec-based shellcode that launches CALC.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: PHP 6.0 Dev
No auth needed
Prerequisites: unicode.semantics enabled in php.ini · PHP 6.0 Dev environment · Windows XP SP3 (HEB or EN)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026