EIP-2026-114979

PRE-CVE

Base64 Decoder 1.1.2 - Overwrite (SEH) (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-114979. PoCs published by Un_N0n.

AI-analyzed exploit summary This exploit demonstrates an SEH (Structured Exception Handler) overwrite vulnerability in b64dec 1.1.2. The PoC triggers a crash by overwriting the SEH record with a crafted input of 620 'A's followed by specific control characters, leading to potential arbitrary code execution.

Description

Base64 Decoder 1.1.2 - Overwrite (SEH) (PoC)

Exploits (1)

exploitdb WORKING POC
by Un_N0n · textdoswindows
https://www.exploit-db.com/exploits/39070

This exploit demonstrates an SEH (Structured Exception Handler) overwrite vulnerability in b64dec 1.1.2. The PoC triggers a crash by overwriting the SEH record with a crafted input of 620 'A's followed by specific control characters, leading to potential arbitrary code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: b64dec 1.1.2
No auth needed
Prerequisites: b64dec.exe running on Windows 7 x64
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026