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EdgeWeb browser · Microsoft

CVE-2016-3327

MEDIUM · 5.3 CVSS v3.0 Published 2016-08-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
60/100
Remediation priority · Elevated
Remotely reachable No privileges

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 · unedited
Microsoft Internet Explorer 9 through 11 and Edge allow remote attackers to obtain sensitive information via a crafted web page, aka "Microsoft Browser Information Disclosure Vulnerability," a different vulnerability than CVE-2016-3326.

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 · high confidence

Microsoft Internet Explorer 9-11 and Edge contain an information disclosure vulnerability where a crafted webpage can allow attackers to obtain sensitive information. This is a distinct vulnerability from CVE-2016-3326, both affecting browser security in the information disclosure category.

MitigationApply Microsoft security updates for the affected browser versions (IE 9-11 and Edge) to address the information disclosure vulnerability.

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
EdgeWeb browser
Affected:all versions
Internet ExplorerApplication
Affected:= 9= 10= 11

CVSS 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
None
Availability
None

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Internet Explorer version
    Open Internet Explorer, click Help > About Internet Explorer, or run 'reg query "HKLM\SOFTWARE\Microsoft\Internet Explorer" /v Version' to read the installed version from registry
    Affected if The version listed is 9, 10, or 11 and the corresponding security update is not installed
  2. Check if Microsoft Edge is installed
    Check for the presence of Microsoft Edge by looking in Start Menu or running 'Get-AppxPackage *Microsoft.Edge*' in PowerShell
    Affected if Microsoft Edge is present on the system (all versions are affected)
  3. Verify browser is used to render untrusted web content
    Confirm the browser is configured as the default or is used to access web pages, as the vulnerability is triggered by visiting a crafted webpage
    Affected if The browser is actively used for web browsing without the security update applied

A system is affected if it runs any version of Microsoft Edge, or Internet Explorer versions 9, 10, or 11, and lacks the relevant security update for CVE-2016-3327.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply Microsoft security updates for the affected browser versions (IE 9-11 and Edge) to address the information disclosure vulnerability.

Fix this in Edge Scoped from the published advisory
  • Consultation1.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,040
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2016-3327 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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