CVE-2016-4171
Adobe Flash Player Remote Code Execution Vulnerability
- High 7.8
- Exploited: added to CISA KEV 25 Mar 2022
Description
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
Key facts
- Published
- 16 Jun 2016
- Last changed
- 17 Nov 2025
- Assigned by
- adobe
- KEV added
- 25 Mar 2022
- KEV fix due
- 15 Apr 2022
- EPSS
- 20.211% likely to be exploited in the next 30 days, higher than 97.508% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- The impacted product is end-of-life and should be disconnected if still in use.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 16 Jun 2016 Published
- 25 Mar 2022 Added to the CISA KEV catalogue