CVE-2012-4787: Use After Free
First published: Wed Dec 12 2012(Updated: )
Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Internet Explorer | =9 | |
| Any of | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| All of | ||
| Internet Explorer | =10 | |
| Any of | ||
| Microsoft Windows 8.0 | ||
| Microsoft Windows 8.0 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Internet Explorer | =9 | |
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Internet Explorer | =10 | |
| Microsoft Windows 8.0 | ||
| Microsoft Windows 8.0 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-4787?
CVE-2012-4787 has a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2012-4787?
To mitigate CVE-2012-4787, apply the latest security updates provided by Microsoft for Internet Explorer.
Which versions of Internet Explorer are affected by CVE-2012-4787?
CVE-2012-4787 affects Microsoft Internet Explorer versions 9 and 10.
What systems are vulnerable to CVE-2012-4787?
CVE-2012-4787 impacts systems running Internet Explorer 9 and 10 on Windows 7, Windows Vista, and various Windows Server editions.
What type of vulnerability is CVE-2012-4787 classified as?
CVE-2012-4787 is classified as a use-after-free vulnerability that can lead to arbitrary code execution.
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- canonical/internet explorer
- version/internet explorer/9
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- canonical/microsoft windows server
- version/microsoft windows server/r2
- version/microsoft windows server/sp2
- canonical/microsoft windows vista
- version/microsoft windows vista/sp2
- version/internet explorer/10
- canonical/microsoft windows 8.0
- canonical/microsoft windows rt