EIP-2026-103026

PRE-CVE

Unrar 3.9.3 - Local Stack Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103026. PoCs published by ZadYree.

AI-analyzed exploit summary This Perl script exploits a local stack-based buffer overflow in WinRAR <= v3.93 (Unrar) by crafting a malicious payload with a NOP sled, return address override, and execve(/bin/sh) shellcode. It locates a 'jmp *%esp' gadget via objdump to bypass basic protections.

Description

Unrar 3.9.3 - Local Stack Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by ZadYree · perllocallinux
https://www.exploit-db.com/exploits/17611

This Perl script exploits a local stack-based buffer overflow in WinRAR <= v3.93 (Unrar) by crafting a malicious payload with a NOP sled, return address override, and execve(/bin/sh) shellcode. It locates a 'jmp *%esp' gadget via objdump to bypass basic protections.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WinRAR <= v3.93 (Unrar)
No auth needed
Prerequisites: Local access to the target system · Unrar binary present at /usr/bin/unrar
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026