CVE-2026-5938 — Denial of Service

title: Potential CVE-2026-5938 Document Action Chain DoS - Free Tier
id: scw-2026-04-27-ai-1
status: experimental
level: medium
description: |
  Detects the execution of Adobe Reader or Acrobat processes with the '/A' command-line argument, which is often used to trigger specific actions within a document. This can be a precursor to exploiting CVE-2026-5938 by chaining document actions to cause modal dialog reentry and a denial of service.
author: SCW Feed Engine (AI-generated)
date: 2026-04-27
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-5938/
tags:
  - attack.execution
  - attack.t1204.002
logsource:
    category: process_creation
detection:
  selection:
      Image|endswith:
          - 'acrord32.exe'
          - 'Acrobat.exe'
      CommandLine|contains:
          - '/A '
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse