CVEvulnerability

CVE-2012-4787

9.0 CRITICAL Published 2012-12-12 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2012-12-12
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-399, CWE-416

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."

Affected configurations

• microsoft internet explorer 9 • microsoft internet explorer 10

Related

Weakness · not in database (1)

Weakness · CWE (1)

Referenced by CWE · observed example (1)

  • CWE-911 Improper Update of Reference Count weakness

References