How severe is CVE-2017-11292?

CVE-2017-11292 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 11.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2017-11292: Adobe Flash Player Type Confusion Vulnerability

CISA Known Exploited Vulnerabilities

Adobe Flash Player Type Confusion Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-03-03

Remediation due

2022-03-24

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

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2017-11292

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.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 14, 2026

All KEV statistics→

CISA added CVE-2017-11292 to the KEV catalog 1,594 days after its CVE record was published.
It is one of 82 Adobe entries in the CISA KEV catalog, and one of 54 added in 2022.
Its current EPSS score (11.9%) is higher than that of 28% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	Adobe Flash Player version 27.0.0.159 and earlier	Adobe Flash Player version 27.0.0.159 and earlier

References

5 Links

Vendor advisories

Vulnerability databases

Other references

https://helpx.adobe.com/security/products/flash-player/apsb17-32.html

Record Details

Published

2017-10-21

Last updated

2025-10-21

Assigner (CNA)

adobe

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.