Critical Remote Code Execution Vulnerability in Adobe Flash Player (CVE‑2016‑4117)
What It Is — Adobe Flash Player contains an “access of resource using incompatible type” flaw that lets an attacker execute arbitrary code on a victim’s machine. The vulnerability is tracked as CVE‑2016‑4117 and has a CVSS 3.1 base score of 9.8 (Critical).
Exploitability — Public proof‑of‑concept code exists and the vulnerability can be triggered remotely via a malicious Flash file or web page. No reliable patch existed until Adobe’s final Flash Player update (24.0.0.221).
Affected Products — Adobe Flash Player for Windows, macOS, and Linux (all versions prior to the 24.0.0.221 security update).
Why It Matters for Trust & Control Assurance
- Demonstrates the need for continuous patch‑management evidence—a core control that maps to many frameworks (e.g., NIST CSF Identify > Asset Management).
- Highlights gaps in software‑asset inventory; without an up‑to‑date inventory, vulnerable components can slip through audit checks.
- Remote code execution creates a defensible audit trail requirement: logging, detection, and incident‑response controls must be provable to regulators and partners.
Recommended Actions
- Verify that all endpoints run Adobe Flash Player 24.0.0.221 or later; remove older versions.
- Update your software‑asset inventory and tag Flash Player as a high‑risk component.
- Enable and retain system‑level logging for executable launches and abnormal memory activity.
- Incorporate the patch‑status check into your continuous control monitoring pipeline.
- Document the remediation steps in your audit evidence repository.
Source: CISA KEV – CVE‑2016‑4117