Adobe Flash Player Use-After-Free Vulnerability
What it is
Use-after-free vulnerability in Adobe Flash Player allows remote attackers to execute code.
Who's affected
Affects anyone running Adobe Flash Player. If it's part of your document workflow, exploitation can lead to code execution when a user opens an attacker-controlled file.
What to do
The impacted product is end-of-life and should be disconnected if still in use.
CISA action deadline: May 4, 2022. Federal agencies must complete the required action by this date. For private SMBs the deadline is advisory — but treat it as a strong recommendation, especially if you handle regulated data (HIPAA, GLBA, ABA model rules).
If you don't have someone in-house to verify the patch deployed across every endpoint — or you're not sure whether you're affected — that's exactly the kind of triage we do. Book a free 20-minute triage call.
Severity
CVSS base score: 9.8 — CRITICAL
Weakness classification: CWE-416
Source
Pulled daily from the public cisagov/kev-data mirror (CC0). View the original entry on cisa.gov. CISA KEV is US-Government public-domain data; we add the SMB-vertical framing and the coping action above.