Strix
26.1K

CVE-2012-4787

CRITICALCVSS 9/10EPSS 17.57%

Last modified

CVE-2012-4787 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.". EPSS estimates a 17.57% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1
9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
17.57%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftInternet Explorer9
MicrosoftInternet Explorer10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4787?
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."
How severe is CVE-2012-4787?
CVE-2012-4787 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 17.57% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4787?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-4787?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST