CVE-2012-4775

8.8 highEPSS 22%

High (8.8) in microsoft internet explorer. EPSS 22% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site, aka "CTreeNode Use After Free Vulnerability."

Severity

CVSS 3.1

8.8 high

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

EPSS: 22% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-399
Published: 2012-11-14
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

microsoft:internet_explorer

References

http://secunia.com/advisories/51202
http://www.securityfocus.com/bid/56422
http://www.securitytracker.com/id?1027749
http://www.us-cert.gov/cas/techalerts/TA12-318A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-071

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