High‑Severity Use‑After‑Free in Adobe Flash Player (CVE‑2018‑4878) Enables Remote Code Execution
What It Is — Adobe Flash Player contains a use‑after‑free vulnerability that can be leveraged to execute arbitrary code on the victim machine. The flaw is tracked as CVE‑2018‑4878 and assigned a CVSS v3.1 base score of 8.8 (High).
Exploitability — Public proof‑of‑concept code exists; exploitation requires the victim to view malicious content (e.g., a crafted web page).
Affected Products — Adobe Flash Player 27.0.0.183 and earlier on Windows, macOS, and Linux.
Why It Matters for Trust & Control Assurance
- Continuous asset‑inventory and patch‑status evidence are essential to prove due diligence in audits.
- Unpatched legacy runtimes break the control objective of maintaining a secure configuration baseline.
- Demonstrable remediation steps (removal, patch, or compensating controls) provide defensible audit trails that buyers increasingly demand.
Recommended Actions
- Inventory all endpoints for Flash Player installations and confirm version.
- Remove Flash Player where possible; if required, apply the latest security patch and document the change.
- Update vulnerability‑management controls to capture evidence of remediation and feed it into your continuous monitoring platform.
Source: CISA KEV – CVE‑2018‑4878