CVE-2012-4787 Use after free in n/a
Remote attackers can execute arbitrary code via a crafted website exploiting a use-after-free flaw in Internet Explorer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-4787?
CVE-2012-4787 is a critical use after free vulnerability in Microsoft Internet Explorer, published on 12 Dec 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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."
Which versions are affected by CVE-2012-4787?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2012-4787?
No fix has been published for CVE-2012-4787 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2012-4787 being exploited?
There is no known exploitation of CVE-2012-4787 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as GHSA-ccxg-v3q3-fr8c.