EIP-2026-116881

PRE-CVE

Base64 Decoder 1.1.2 - Local Buffer Overflow (SEH)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116881. PoCs published by bzyo.

AI-analyzed exploit summary This exploit leverages a local buffer overflow (SEH) in Base64 Decoder 1.1.2 to execute arbitrary code (calc.exe) via a crafted payload. The PoC generates a malicious file that triggers the vulnerability when processed by the application.

Description

Base64 Decoder 1.1.2 - Local Buffer Overflow (SEH)

Exploits (1)

exploitdb WORKING POC

by bzyo · pythonlocalwindows

https://www.exploit-db.com/exploits/46021

View Code ZIP pw:eip

This exploit leverages a local buffer overflow (SEH) in Base64 Decoder 1.1.2 to execute arbitrary code (calc.exe) via a crafted payload. The PoC generates a malicious file that triggers the vulnerability when processed by the application.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Base64 Decoder 1.1.2

No auth needed

Prerequisites: Victim must open the malicious file in Base64 Decoder 1.1.2

MITRE ATT&CK

T1203 - Exploitation for Client Execution T1059 - Command and Scripting Interpreter

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026