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Vulnerabilities/CVE-2017-11292Public Intelligence Dossier
Source: adobe · Limited verification•Last verified: •Collection Degraded
CVE-2017-11292ListedHIGH (raw)CVSS 8.8CWE-843

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

Published: 23 Oct 2017•Last updated: 17 Jun 2026, 06:31 AM IST•Source identifier: psirt@adobe.com
Dossier completeness: source-provided sections 3 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Listed
Added03 Mar 2022
Due24 Mar 2022
RansomwareUnknown
CVSS score
8.8HIGH (raw)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metric sourcenvd@nist.gov
EPSS probability
11.9%0.119
Percentile96th
Weakness type
CWE-843
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

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.

SOC priority

Immediate Attention

Actively exploited (source statement)

Yes

Publicly disclosed

Unknown

Risk basis: CISA KEV exploitation signal; Microsoft or Microsoft-managed product relevance; HIGH severity; Source-confirmed exploitation or CISA KEV/ransomware metadata

Affected Products & Remediation

5 source-backed products
Affected products and versions (source)
  • adobe flash player desktop runtime · <= 27.0.0.159 · NVD CPE · Source
  • adobe flash player · desktop runtime <= 27.0.0.159; <= 27.0.0.130; <= 27.0.0.159 · NVD CPE · Source
  • redhat enterprise linux desktop · 6.0 · NVD CPE · Source
  • redhat enterprise linux server · 6.0 · NVD CPE · Source
  • redhat enterprise linux workstation · 6.0 · NVD CPE · Source
NVD applicability prerequisites: cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*, cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*, cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*. These are conditions, not proof that an environment is exposed or unaffected.
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

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

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Listed
Exploited (source statement)
Yes
Publicly disclosed (source)
Unknown

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

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched kev-network-exposure (CVSS AV:N, CISA KEV Listed); user-interaction-client (CVSS AV:N, CVSS UI:R)

Exposure

  1. Identify assets with the exact CVE and confirm the affected product/version against the advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · KEV listing raises urgency, but inventory is needed to establish local exposure. · Rule kev-network-exposure
  2. Identify endpoints reporting this CVE, especially those used for email and web browsing.Telemetry: DeviceTvmSoftwareVulnerabilities · A network vector that needs user interaction points at user-facing client software. · Rule user-interaction-client

Exploitation evidence

  1. Review relevant edge or application access logs for unusual requests around the advisory window.Telemetry: CommonSecurityLog · Log review is a hunting hypothesis; KEV listing alone does not show local exploitation. · Rule kev-network-exposure
Show more (2)

Exploitation evidence

  1. Review unusual child processes started by the affected client application on affected endpoints.Telemetry: DeviceProcessEvents · Hunting hypothesis from the CVSS vector; it does not show that exploitation occurred. · Rule user-interaction-client

Response

  1. Recheck the affected assets after the source-stated mitigation or update is applied.Telemetry: DeviceTvmSoftwareVulnerabilities · A follow-up inventory check verifies local remediation. · Rule kev-network-exposure

CISA KEV Record

Catalog entry
03 Mar 2022
Required action due
24 Mar 2022
Known ransomware use
Unknown

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

Change History & Source Data

— No recorded material change

CNA / source
psirt@adobe.com
Record status · verification
UPDATED · CISA KEV confirmed
CPE
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*, cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*, cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*, cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*, cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*, cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*, cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*, cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*, cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*

Evidence & Provenance

4 public sources
CISA KEV CatalogAdded 2022-03-03helpx.adobe.comSource recordnvd.nist.govSource recordaccess.redhat.comSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2017-11292
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2017-11292
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2017-11292"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
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Correlated briefings

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.