WindowsOperating system · Microsoft

CVE-2010-3143

HIGH · 9.3 CVSS v2.0 Published 2010-08-27
No fix yet
No fix has been published. The vendor has not shipped a fixed release or patch. You remain exposed.
See remediation →
100/100
Remediation priority · Urgent
Public exploit Remotely reachable No privileges Zero-click

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
Untrusted search path vulnerability in Microsoft Windows Contacts allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wab32res.dll that is located in the same folder as a .contact, .group, .p7c, .vcf, or .wab file. NOTE: the codebase for this product may overlap the codebase for the product referenced in CVE-2010-3147.

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

A detailed technical summary for this CVE is being prepared.

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
WindowsOperating system
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
M
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

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.

dbcve · scoped
Recommended fix High confidence

Windows 10 or Windows 11 (current supported versions)

  1. 1. Ensure Windows Update is enabled and configured to automatically receive security updates
  2. 2. Run Windows Update and install all available security updates, particularly any updates released after August 2010
  3. 3. For Windows XP and earlier unsupported versions, consider upgrading to a supported Windows version as these older systems no longer receive security patches
  4. 4. Avoid opening .contact, .group, .p7c, .vcf, or .wab files from untrusted or untrusted network locations
  5. 5. Do not save contact files in shared network folders or download directories where a malicious wab32res.dll could be placed
Caveat Upgrading from Windows XP/7 may require hardware changes and application compatibility testing; some legacy applications may not function on newer Windows versions

Generated from the published advisory — verify against the referenced sources before acting.

No vendor fix exists Windows has not published a patch for this.

There is no version to upgrade to and no patch to apply. Every affected install stays exposed until the vendor ships a fix — or somebody else builds one.

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Scan for this in your stack

Free · runs locally
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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-2010-3143 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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