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CVE Record

CVE-2016-4137: Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier, as used in the Adobe Flash librarie...

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier, as used in the Adobe Flash libraries in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, has unknown impact and attack vectors, a different vulnerability than other CVEs listed in MS16-083.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is an older Adobe Flash Player vulnerability affecting version 21.0.0.242 and earlier, including Flash libraries bundled with Internet Explorer 10, Internet Explorer 11, and Microsoft Edge. The public CVE record does not describe impact or attack vectors, so urgency depends on whether any legacy Flash exposure remains.

Executive priority

Prioritize discovery over emergency response unless legacy Flash is still present. If Flash remains in production, remediation should be treated as high operational priority because the affected technology is browser-exposed and historically high-risk, while this CVE’s specific impact remains unspecified.

Technical view

CVE-2016-4137 is listed as an unspecified Adobe Flash Player issue, separate from other CVEs in MS16-083. The source bundle provides no CVSS, CWE, root cause, impact class, or attack-vector detail. Vendor advisories from Adobe, Microsoft, Red Hat, and SUSE are the primary remediation references.

Likely exposure

Exposure is most likely in legacy environments retaining Adobe Flash Player 21.0.0.242 or earlier, embedded Flash components in IE 10, IE 11, or Edge, or Linux Flash packages covered by referenced Red Hat and SUSE advisories.

Exploitation context

The bundle includes an Exploit-DB reference, but does not confirm active exploitation or provide safe evidence of weaponization status. CISA KEV is false. Treat this as a historically disclosed Flash issue with incomplete public technical detail.

Researcher notes

Public metadata is sparse: no CVSS, CWE, impact, or attack vector is provided in the bundle. Avoid over-attribution to other MS16-083 issues. Use vendor advisories to map affected builds and fixes, and treat the Exploit-DB listing as a reference, not proof of active exploitation.

Mitigation direction

  • Apply applicable Adobe APSB16-18 updates or vendor-recommended replacements.
  • Apply Microsoft MS16-083 updates for affected Internet Explorer and Edge Flash libraries.
  • Review Red Hat and SUSE advisories for affected Linux Flash packages.
  • Inventory and remove legacy Flash where business use is not required.
  • Check current vendor guidance before assuming remaining support or fixes.

Validation and detection

  • Search asset inventory for Adobe Flash Player 21.0.0.242 and earlier.
  • Identify systems using IE 10, IE 11, or Edge with bundled Flash libraries.
  • Confirm Microsoft MS16-083 is applied where relevant.
  • Confirm Adobe, Red Hat, or SUSE package updates are applied where relevant.
  • Document any remaining Flash dependency and compensating controls.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2016-4137 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.