CVE-2026-8733 — Investintech SlimPDFReader Buffer Overflow

title: CVE-2026-8733 - Investintech SlimPDFReader Stack Buffer Overflow
id: scw-2026-05-17-ai-1
status: experimental
level: high
description: |
  Detects the execution of Investintech SlimPDFReader.exe with a command line argument that references the vulnerable function 'sub_3B4610', indicative of an attempt to exploit the stack-based buffer overflow vulnerability (CVE-2026-8733). This is a critical detection for initial compromise attempts.
author: SCW Feed Engine (AI-generated)
date: 2026-05-17
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-8733/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: process_creation
detection:
  selection:
      Image|endswith:
          - 'SlimPDFReader.exe'
      CommandLine|contains:
          - 'sub_3B4610'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse