CVE-2016-4110
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedUnspecified vulnerability in Adobe Flash Player 21.0.0.213 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 MS16-064.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceAdobe Flash Player vulnerability affecting versions 21.0.0.213 and earlier when embedded in Microsoft Internet Explorer 10/11 and Microsoft Edge. The specific technical details of the flaw are unspecified in the available description, making precise exploitation analysis difficult.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 21.0.0.213all versions= 10= 11CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check if Adobe Flash Player is installed in Internet ExplorerIn Internet Explorer, navigate to Manage Add-ons (Gear icon > Manage add-ons). Look for 'Shockwave Flash Object' or 'Adobe Flash Player' in the ActiveX controls list.Affected if The add-on is present and enabled in IE10 or IE11
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Check if Adobe Flash Player is installed in Microsoft EdgeIn Microsoft Edge, type 'about:plugins' in the address bar to list all installed plugins. Look for Adobe Flash Player.Affected if Flash Player is present in Edge's plugin list (all Edge versions are affected)
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Determine the installed Flash Player versionIn Internet Explorer, right-click on any Flash content and select 'About Adobe Flash Player' or check the version through the ActiveX add-on details. In Edge, the version can be confirmed through the about:plugins listing.Affected if The displayed version number is 21.0.0.213 or earlier (versions 21.0.0.213 and earlier are vulnerable)
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Verify the browser versionConfirm you are running Internet Explorer version 10 or 11, or any version of Microsoft Edge. In IE, go to Settings > About Internet Explorer. In Edge, go to Settings > About Edge.Affected if The browser is IE 10, IE 11, or any version of Edge (these browsers embed the vulnerable Flash component)
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Check if Flash is enabled in the browserIn Internet Explorer, ensure the Shockwave Flash Object ActiveX control is enabled (Manage Add-ons > Enable/Disable). In Edge, confirm Flash is not disabled in edge://settings/permissions.Affected if Flash is enabled and loaded by the browser (the vulnerability only applies when the Flash plugin is active)
You are affected if Adobe Flash Player version 21.0.0.213 or earlier is installed and enabled within Internet Explorer 10/11 or Microsoft Edge.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate Adobe Flash Player to the latest version, or if Flash is no longer required, remove or disable the Flash plugin entirely as it has reached end-of-life.
- Consultation1.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-4110 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2016-4110 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data