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MS15-099 - Critical: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3089664) - Version: 4.0

Posted on 14 October 2015

There is an newer version: MS15-099 - Version: 5.0

Critical

Severity Rating: Critical
Revision Note: V4.0 (October 13, 2015): Revised bulletin to announce the availability of update package 2920693 for Microsoft Excel 2016. Customers running Microsoft Excel 2016 should apply the update to be protected from the vulnerabilities discussed in this bulletin. The majority of customers have automatic updating enabled and will not need to take any action because the update will be downloaded and installed automatically.
Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

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