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HistorySep 24, 2012 - 12:00 a.m.

US-CERT Alert TA12-265A - Microsoft Releases Patch for Internet Explorer Exploit

2012-09-2400:00:00
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National Cyber Awareness System

US-CERT Alert TA12-265A
Microsoft Releases Patch for Internet Explorer Exploit

Original release date: September 21, 2012
Last revised: –

Systems Affected

 * Microsoft Internet Explorer 6
 * Microsoft Internet Explorer 7
 * Microsoft Internet Explorer 8
 * Microsoft Internet Explorer 9

Overview

Microsoft has released Security Bulletin MS12-063 to address the
use-after-free vulnerability that has been actively exploited this
past week.

Description

Microsoft Internet Explorer versions 6, 7, 8, and 9 are susceptible
to a use-after-free vulnerability. This vulnerability is being
actively exploited in the wild. Microsoft has released Security
Bulletin MS12-063 to patch this vulnerability and four others.

This vulnerability was previously mentioned in US-CERT Alert
TA12-262A. Additional information is available in US-CERT
Vulnerability Note VU#480095.

Impact

A remote, unauthenticated attacker could execute arbitrary code,
cause a denial of service, or gain unauthorized access to your
files or system.

Solution

US-CERT recommends that Internet Explorer users run Windows Update
as soon as possible to apply the MS12-063 patch.

References

Revision History

September 21, 2012: Initial release


Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@cert.org> with "TA12-265A Feedback " in
the subject.


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http://www.us-cert.gov/privacy/notification.html

Privacy & Use policy:
http://www.us-cert.gov/privacy/

This document can also be found at
http://www.us-cert.gov/cas/techalerts/TA12-265A.html

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