Hazard

Is CVE-2016-4117 being exploited?

Ransomware crews are using this

CISA has linked this vulnerability to known ransomware campaigns. Treat any exposed instance as an active incident, not a patching ticket.

Adobe Flash Player Arbitrary Code Execution Vulnerability

Adobe · Flash Player

CVSS 9.8 EPSS 94% 1 public exploit ransomware Fix deadline passed 24 March 2022

What it is

An access of resource using incompatible type vulnerability exists within Adobe Flash Player that allows an attacker to perform remote code execution.

Why we say that

  • Linked by CISA to known ransomware campaigns
  • EPSS puts exploitation in the next 30 days at 94%
  • 1 public exploit published
  • CISA's federal remediation deadline (2022-03-24) has passed
  • CVSS 9.8 critical
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

The impacted product is end-of-life and should be disconnected if still in use.

Public exploit code

Indexed from Exploit-DB. Presence of code raises urgency; absence does not mean safety.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. This vulnerability is used in ransomware campaigns; here is what ransomware has cost UK organisations at the regulator.

All UK cases caused by ransomware →