CVE-2016-4156: n/a vulnerability

CVE-2016-4156: 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 concerns an unspecified Adobe Flash Player flaw 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, or technical cause, so urgency depends on whether legacy Flash remains in use. Exposure is most plausible on legacy systems running Adobe Flash Player 21.0.0.242 or earlier, or Microsoft browsers using bundled Flash libraries from that era. Environments that removed Flash or retired affected browsers are unlikely to remain exposed. Prioritize discovery and cleanup of legacy Flash. The technical severity is not documented in the bundle, but Flash in browsers historically represented high operational risk and should not remain unmanaged. Mitigation focus: Review Adobe APSB16-18 and Microsoft MS16-083 for the applicable vendor update path.; Apply relevant Red Hat, SUSE, or openSUSE updates where Flash packages remain installed.; Remove or disable Adobe Flash where it is no longer required..

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

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.

cve · low confidence lookup

CVE-2016-4156 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

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.