CVE-2016-4155: n/a vulnerability

CVE-2016-4155: 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 covers an unspecified Adobe Flash Player flaw affecting version 21.0.0.242 and earlier, including Flash libraries used by Internet Explorer 10, Internet Explorer 11, and Microsoft Edge. The public record does not state the impact or attack vector, so urgency should be based on whether legacy Flash remains present. Exposure is likely limited to legacy systems with Adobe Flash Player 21.0.0.242 or earlier, or Microsoft browser Flash libraries covered by MS16-083. Linux environments should check whether referenced Red Hat or SUSE Flash-related packages were present at the time. Prioritize discovery and cleanup if Flash may still exist in the estate. Because impact is unspecified, this is not evidence of an active emergency, but legacy Flash exposure is operationally undesirable and should be resolved through vendor guidance. Mitigation focus: Review Adobe APSB16-18 for the vendor-corrected Flash Player release path.; Apply Microsoft MS16-083 updates for affected Internet Explorer and Edge Flash libraries.; Check Red Hat and SUSE advisories for package-specific remediation guidance..

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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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

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