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Findings

CVE-2017-11292

Adobe Flash Player Type Confusion Vulnerability

Published Oct 22, 2017 · corrected/updated Jun 16, 2026 · adobe flash player desktop runtime · evidence confidence very high

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.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2017-11292 is a high public vulnerability record for adobe flash player desktop runtime. CISA lists it as known exploited. Published remediation guidance: The impacted product is end-of-life and should be disconnected if still in use. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether adobe flash player desktop runtime is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: adobe/flash player; adobe/flash player desktop runtime; redhat/enterprise linux desktop (6.0); redhat/enterprise linux server (6.0). Published remediation guidance: The impacted product is end-of-life and should be disconnected if still in use. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.8, EPSS 11.9%. CISA lists it as known exploited. Weakness classes: CWE-843. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Mar 3, 2022. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    The impacted product is end-of-life and should be disconnected if still in use. CISA due date Mar 24, 2022.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2017 · Catalog

    Detected

    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.

  2. Mar 3, 2022 · CISA KEV

    Known exploited

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

  3. Mar 24, 2022 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Affected

  • cpe adobe/flash playerversion unspecified
  • cpe adobe/flash player desktop runtimeversion unspecified
  • cpe redhat/enterprise linux desktop6.0
  • cpe redhat/enterprise linux server6.0
  • cpe redhat/enterprise linux workstation6.0
  • vendor Adobe Flash Playerversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2017-11292

    Adobe Flash Player contains a type confusion vulnerability which can allow for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2017-11292

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-11292

    30-day exploitation probability 11.9%

    first.org
  • NIST NVDVulnerability recordCVE-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

    nvd.nist.gov

References