CVE-2012-2521

Published: Aug 15, 2012Modified: Apr 29, 2026

9.3

Vector

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

Exploitability: 8.6 / Impact: 10.0

Source: NVD

Description

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Asynchronous NULL Object Access Remote Code Execution Vulnerability."

Affected (4)

Products: Microsoft: Internet Explorer

Microsoft

1 product

Internet Explorer

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Microsoft Internet Explorer	Version 6
Microsoft Internet Explorer	Version 7
Microsoft Internet Explorer	Version 8
Microsoft Internet Explorer	Version 9

Related CWEs

CWE-94

Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

References (6)

http://www.us-cert.gov/cas/techalerts/TA12-227A.html

Source: secure@microsoft.com

Third Party AdvisoryUS Government Resource

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052

Source: secure@microsoft.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15742

Source: secure@microsoft.com

http://www.us-cert.gov/cas/techalerts/TA12-227A.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052

Source: af854a3a-2127-422b-91ae-364da2661108

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15742

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.