Unrated severityNVD Advisory· Published Nov 14, 2012· Updated Apr 29, 2026
CVE-2012-4776
CVE-2012-4776
Description
The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remote attackers to execute arbitrary JavaScript code by providing crafted data during execution of (1) an XAML browser application (aka XBAP) or (2) a .NET Framework application, aka "Web Proxy Auto-Discovery Vulnerability."
Affected products
5cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- www.us-cert.gov/cas/techalerts/TA12-318A.htmlnvdUS Government Resource
- osvdb.org/87266nvd
- secunia.com/advisories/51236nvd
- www.securityfocus.com/bid/56463nvd
- www.securitytracker.com/idnvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810nvd
News mentions
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