What is CVE-2017-11292?

CVE-2017-11292 is a high-severity vulnerability in Adobe Flash Player, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2017-10-22.

How severe is CVE-2017-11292?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2017-11292 known to be exploited?

Yes. CVE-2017-11292 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.

Vulnerability in Adobe Flash Player

CVE-2017-11292

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.

Published 2017-10-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.119 (96.1th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.119 · newest: 0.119 · change: 0.000

Affected products

Adobe Flash Player
Adobe Flash Player Desktop Runtime
Apple Mac OS X
Google Chrome OS
Linux Kernel
Microsoft Windows
Microsoft Windows 10
Microsoft Windows 8.1
Red Hat Enterprise Linux Desktop — versions 6.0
Red Hat Enterprise Linux Server — versions 6.0

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-03-24.

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

Public proof-of-concept exploits

References

www.securitytracker.com/id/1039582 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
helpx.adobe.com/security/products/flash-player/apsb17-32.html (Patch, Vendor Advisory)
security.gentoo.org/glsa/201710-22 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/101286 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
access.redhat.com/errata/RHSA-2017:2899 (vendor-advisory, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2017-11292?: CVE-2017-11292 is a high-severity vulnerability in Adobe Flash Player, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2017-10-22.
How severe is CVE-2017-11292?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-11292 known to be exploited?: Yes. CVE-2017-11292 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.