CVE-2013-0027

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers…

published February 13, 2013

CVSS
—
EPSS
20%
Percentile
97.4
In the wild
Unconfirmed
What it is

⚠️ A use-after-free vulnerability in Microsoft Internet Explorer could let attackers run arbitrary code just by visiting a malicious website! Think of it like a restaurant that reuses a table after a customer has left, but forgets to clean up the leftovers — the new diners might accidentally use utensils that were contaminated. In the same way, IE is accessing memory that’s already been marked as free, opening doors for attackers to inject their own commands. If exploited, this vulnerability could allow an attacker to execute any code they desire on a user’s machine, leading to devastating consequences such as data theft or system compromise. Essentially, the attacker might turn your browser into a puppeteer, controlling your system without your consent!

Put simply

Think of it like a restaurant that reuses a table after a customer has left, but forgets to clean up the leftovers — the new diners might accidentally use utensils that were contaminated. In the same way, IE is accessing memory that’s already been marked as free, opening doors for attackers to inject their own commands. The CVE-2013-0027 vulnerability arises from Internet Explorer's failure to properly manage memory, specifically allowing access to deleted objects. This oversight can be triggered when a crafted website causes the browser to execute outdated references, paving the way for arbitrary code execution.

What to do

If exploited, this vulnerability could allow an attacker to execute any code they desire on a user’s machine, leading to devastating consequences such as data theft or system compromise. Essentially, the attacker might turn your browser into a puppeteer, controlling your system without your consent! To mitigate this vulnerability, users should ensure they are running the latest version of Microsoft Internet Explorer and apply any available security updates. Additionally, consider switching to modern browsers that continuously receive updates and better security features. 🛡️ You've got this! By keeping your software updated, you're one step closer to being a security hero! 🌟

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.19905 · 97.4th percentile
Published
2013-02-13T11:00Z
EPSS history
Timeline
  • 13 FEB 11:00Z
    Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers…
    cvelistv5