CVE-2012-0155

Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted…

published February 14, 2012

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.2th percentile for exploit probability.

CVSS
—
EPSS
65%
Percentile
99.2
In the wild
Unconfirmed
What it is

⚠️ A seemingly innocent memory mishap in Internet Explorer 9 could let attackers execute code remotely—think of it like a book left open at the library, just waiting for someone to write in it! Imagine a library where nobody checks if the books are put back on the right shelf. An attacker could sneak in and write their own chapter in any book, wreaking havoc before anyone notices! If exploited, this vulnerability could allow an attacker to run arbitrary code on your system—potentially leading to unauthorized access, data theft, or even complete system takeover. It's a risk that’s surprisingly sneaky, lurking in a software you might think is secure.

Put simply

Imagine a library where nobody checks if the books are put back on the right shelf. An attacker could sneak in and write their own chapter in any book, wreaking havoc before anyone notices! The vulnerability lies in how Internet Explorer 9 improperly handles memory objects, specifically allowing access to deleted objects. This oversight can be exploited to execute arbitrary code remotely, making it a critical concern for users.

What to do

If exploited, this vulnerability could allow an attacker to run arbitrary code on your system—potentially leading to unauthorized access, data theft, or even complete system takeover. It's a risk that’s surprisingly sneaky, lurking in a software you might think is secure. Ensure that Internet Explorer is updated to the latest version if you're using it. If you must use IE 9, consider applying additional security controls, like disabling ActiveX controls and ensuring users are educated on safe browsing practices. You've got this! Stay vigilant, and with a few tweaks, you can keep your system secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.65078 · 99.2th percentile
Published
2012-02-14T22:00Z
EPSS history
Timeline
  • 14 FEB 22:00Z
    Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted…
    cvelistv5