CVE-2016-4166: n/a vulnerability

CVE-2016-4166: 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-listedUpdatedAug 6, 2024, 00:17 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE describes an unspecified 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 data does not state impact, attack method, CVSS, or CWE, so urgency depends on whether legacy Flash remains present. Exposure is most likely on legacy systems retaining Adobe Flash Player 21.0.0.242 or earlier, or Microsoft browsers using bundled Flash libraries covered by MS16-083. Red Hat and SUSE/openSUSE references suggest packaged Flash updates were also relevant, but exact package exposure is not detailed in the bundle. Treat this as a legacy-technology exposure review rather than a confirmed emergency. Flash vulnerabilities historically mattered, but this specific record lacks severity, impact, and exploitation evidence. Priority should rise if regulated, high-value, or browsing-enabled systems still run vulnerable Flash components. Mitigation focus: Review Adobe APSB16-18 and Microsoft MS16-083 for the official remediation path.; Apply relevant Red Hat, SUSE, or openSUSE updates where their Flash packages remain installed.; Remove or disable legacy Flash where business processes no longer require it..

Prepared: Jun 13, 2026, 14:22 UTC (UTC+00:00)

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

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CVE-2016-4166 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 16, 2016, 14:00 UTC (UTC+00:00)

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

4Source links

CVSS and timeline data

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

Source materials

CVE List V5 sourceCVE List V5
MS16-083CVE reference · vendor-advisory, x_refsource_MS
RHSA-2016:1238CVE reference · vendor-advisory, x_refsource_REDHAT
https://helpx.adobe.com/security/products/flash-player/apsb16-18.htmlCVE reference · x_refsource_CONFIRM

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.