EIP-2026-114962

PRE-CVE

Avira - Heap Underflow Parsing PE Section Headers

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-114962. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a heap underflow vulnerability in Avira Antivirus's PE file parser. By crafting a malicious PE file with a section header containing a large relative virtual address, an attacker can trigger a memcpy operation that writes controlled data before the allocated heap buffer, leading to potential remote code execution as NT AUTHORITY\SYSTEM.

Description

Avira - Heap Underflow Parsing PE Section Headers

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/39600

This exploit demonstrates a heap underflow vulnerability in Avira Antivirus's PE file parser. By crafting a malicious PE file with a section header containing a large relative virtual address, an attacker can trigger a memcpy operation that writes controlled data before the allocated heap buffer, leading to potential remote code execution as NT AUTHORITY\SYSTEM.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Avira Antivirus (version not specified)
No auth needed
Prerequisites: Ability to deliver a malicious PE file to the target system · Avira Antivirus installed and running
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026