CVE-2013-3140

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to…

published December 16, 2013

CVSS
—
EPSS
24%
Percentile
97.8
In the wild
Unconfirmed
What it is

⚠️ A crafty web page can exploit a use-after-free flaw in Internet Explorer 9. This allows attackers to execute arbitrary code, like a prankster sneaking into a party by slipping through an open window! It's like a restaurant that forgets to take down the old menu, serving up expired dishes that could make patrons sick. In this case, a deleted CMarkup object is still being referenced, opening the door for attackers to wreak havoc. If exploited, an attacker could execute any code of their choice on a victim's machine, leading to devastating consequences — think data theft, unauthorized changes, or even a full system compromise. This vulnerability could turn your digital life upside down with just a single visit to a malicious website!

Put simply

It's like a restaurant that forgets to take down the old menu, serving up expired dishes that could make patrons sick. In this case, a deleted CMarkup object is still being referenced, opening the door for attackers to wreak havoc. This use-after-free vulnerability occurs when Internet Explorer 9 attempts to access a deleted CMarkup object, allowing remote attackers to induce arbitrary code execution through specially crafted web content.

What to do

If exploited, an attacker could execute any code of their choice on a victim's machine, leading to devastating consequences — think data theft, unauthorized changes, or even a full system compromise. This vulnerability could turn your digital life upside down with just a single visit to a malicious website! While no patch is specifically available for this vulnerability, consider switching to a more modern and secure browser. Regularly update your Internet Explorer if you must use it, and enable security features such as Enhanced Protected Mode to help mitigate potential exploits. You've got this! Stay vigilant and protect your browsing habits to keep the bad guys at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.24087 · 97.8th percentile
Published
2013-12-16T11:00Z
EPSS history
Timeline
  • 16 DEC 11:00Z
    Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to…
    cvelistv5