Security readout for executives and security teams
CVE-2016-4117 is a high-severity Adobe Flash Player flaw in version 21.0.0.226 and earlier. Successful exploitation could let an attacker run code on an affected system. It was exploited in the wild in May 2016 and is listed by CISA KEV, so remaining legacy Flash exposure should be treated as urgent. Exposure is most likely on legacy endpoints, browsers, or packaged environments where Adobe Flash Player 21.0.0.226 or earlier remains installed. Environments that fully removed Flash Player are unlikely to be exposed, but asset validation matters because Flash often persisted in old images and unmanaged systems. Treat this as a legacy exposure cleanup priority. The technology is obsolete, the flaw enabled code execution, and KEV confirms real-world exploitation. Risk is low only if Flash is demonstrably absent across managed and unmanaged assets. Mitigation focus: Remove Adobe Flash Player where business use is not required.; Update affected Flash Player installations according to Adobe APSB16-15 guidance.; Apply relevant Linux distribution security updates where Flash packages remain installed..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-4117 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201606-08CVE reference · vendor-advisory, x_refsource_GENTOO
- 46339CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://helpx.adobe.com/security/products/flash-player/apsb16-15.htmlCVE reference · x_refsource_CONFIRM
- https://helpx.adobe.com/security/products/flash-player/apsa16-02.htmlCVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4117CVE reference · government-resource
- https://github.com/cisagov/vulnrichment/issues/196CVE reference · issue-tracking
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.