CVE-2017-11292
Adobe Flash Player Type Confusion Vulnerability
- High 8.8
- Exploited: added to CISA KEV 3 Mar 2022
Description
Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbitrary code execution.
Key facts
- Published
- 21 Oct 2017
- Last changed
- 21 Oct 2025
- Assigned by
- adobe
- KEV added
- 3 Mar 2022
- KEV fix due
- 24 Mar 2022
- EPSS
- 11.214% likely to be exploited in the next 30 days, higher than 96.027% 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.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/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 | Adobe Flash Player version 27.0.0.159 and earlier |
|
Timeline
- 21 Oct 2017 Published
- 3 Mar 2022 CVE-2017-11292 added to CISA KEV
- 3 Mar 2022 Added to the CISA KEV catalogue