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CVE-2017-11292

High 8.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Adobe Flash Player Type Confusion Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
The impacted product is end-of-life and should be disconnected if still in use.

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.

Metrics

CVSS 3.1
8.8 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — exploit probability
12% (percentile: 96) as of 1 November 2026
CWE
CWE-843

Affected products

adobe: flash player desktop runtime; apple: mac os x; linux: linux kernel; microsoft: windows; adobe: flash player; microsoft: windows 10; microsoft: windows 8.1; google: chrome os; redhat: enterprise linux desktop; redhat: enterprise linux server; redhat: enterprise linux workstation

References