Remote code execution in Microsoft Internet Explorer

Published: 2014-04-26 00:00:00 | Updated: 2017-01-19
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2014-1776
CVSSv3 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Microsoft Internet Explorer
Vulnerable software versions Microsoft Internet Explorer 11
Microsoft Internet Explorer 10
Microsoft Internet Explorer 9

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Vendor URL Microsoft

Security Advisory

1) “Use-after-free” error

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.

External links

https://technet.microsoft.com/en-us/library/security/ms14-021

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