CVE-2016-4123: n/a vulnerability

CVE-2016-4123: 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

CVE-2016-4123 is 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 bundle does not state the impact, attack vector, CVSS score, or root cause. Exposure is most likely where legacy Adobe Flash Player 21.0.0.242 or earlier remains installed, or where affected Microsoft browser Flash libraries were not updated through MS16-083 or relevant OS vendor advisories. Prioritize verification if legacy Flash exists in the environment. The missing technical detail prevents precise severity scoring, but browser-embedded Flash exposure historically created broad workstation risk and should not remain unmanaged. Mitigation focus: Check Adobe APSB16-18 and Microsoft MS16-083 for the applicable vendor update path.; Apply relevant Microsoft, Adobe, Red Hat, or SUSE security updates where affected software remains present.; Inventory systems for Adobe Flash Player 21.0.0.242 or earlier..

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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