VULNERABILITY INTELLIGENCE
CVE-2012-4787
CVSS score9 CRITICAL
EPSS probability17.57%
CISA KEVNot currently listed
Published2012-12-12
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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."
Weakness classification
- CWE-416: Use After Free
Primary references
- secure@microsoft.com — US Government Resource
- secure@microsoft.com
- secure@microsoft.com
- af854a3a-2127-422b-91ae-364da2661108 — US Government Resource
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108