Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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."

Published

2012-12-12T00:55:01.387

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.0 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-399
  • Type: Secondary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application microsoft internet_explorer 9 Yes
Operating System microsoft windows_7 * No
Operating System microsoft windows_7 * No
Operating System microsoft windows_7 * No
Operating System microsoft windows_7 * No
Operating System microsoft windows_server_2008 * No
Operating System microsoft windows_server_2008 * No
Operating System microsoft windows_server_2008 * No
Operating System microsoft windows_vista * No
Application microsoft internet_explorer 10 Yes
Operating System microsoft windows_8 - No
Operating System microsoft windows_8 - No
Operating System microsoft windows_rt - No
Operating System microsoft windows_server_2012 - No
References