CVE-2026-7135 — GPAC Out-of-Bounds $1

title: CVE-2026-7135 - GPAC MP4Box elng_box_read Out-of-Bounds Read
id: scw-2026-04-27-ai-1
status: experimental
level: high
description: |
  Detects the execution of MP4Box.exe with arguments that could trigger the out-of-bounds read vulnerability in the elng_box_read function (CVE-2026-7135). This is a free tier rule for direct detection of the vulnerable component's execution.
author: SCW Feed Engine (AI-generated)
date: 2026-04-27
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7135/
tags:
  - attack.execution
  - attack.t1204.002
logsource:
    category: process_creation
detection:
  selection:
      Image|startswith:
          - 'C:\Program Files\GPAC\MP4Box.exe'
      CommandLine|contains:
          - '-add'
          - '.elng'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse