EdgeWeb browser · Microsoft

CVE-2016-0155

HIGH · 7.5 CVSS v3.0 Published 2016-04-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
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 Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0156 and CVE-2016-0157.

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 confidence

Microsoft Edge contains a memory corruption vulnerability that allows remote attackers to execute arbitrary code or cause a denial of service via a specially crafted website. The vulnerability stems from improper memory handling in the Edge rendering engine when processing malicious web content.

MitigationApply Microsoft security updates for Edge as soon as they become available. Until patches are deployed, restrict user access to untrusted websites and consider using an alternative browser for high-risk web browsing.

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

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
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 checks

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

  1. Verify Microsoft Edge is installed
    Open Settings > Apps > Apps & features, or run 'Get-AppxPackage *MicrosoftEdge*' in PowerShell
    Affected if Microsoft Edge appears in the installed applications list
  2. Determine Edge version number
    Launch Edge, go to Settings > About Microsoft Edge, or navigate to edge://settings/help in the address bar
    Affected if Any version number is displayed (the advisory states all versions are affected)
  3. Confirm Edge can access untrusted websites
    Check if users have unrestricted internet access or can browse to arbitrary URLs. Review proxy or firewall configurations that may block unknown sites
    Affected if Users can navigate to websites outside of an approved allowlist
  4. Identify user browsing behavior
    Review network logs or speak with users about typical browsing patterns, particularly whether untrusted or unknown websites are visited
    Affected if Users regularly browse to unfamiliar or potentially malicious websites

A user is affected if Microsoft Edge is installed and users can access untrusted websites, since the vulnerability is triggered by visiting specially crafted malicious web pages.

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 Edge as soon as they become available. Until patches are deployed, restrict user access to untrusted websites and consider using an alternative browser for high-risk web browsing.

Fix this in Edge Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,800
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2016-0155 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2016-0155 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