The detection Exploit:W32/CVE-2013-1331 identifies files designed to target a known vulnerability in certain versions of the Microsoft Office program.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
The vulnerabilities leveraged by exploits are usually application or platform specific; in other words, a specific program (or even a specific version of a particular program) must be installed on the machine in order for the exploit to be effective.
To prevent exploitation of such vulnerabilities, please refer to the application vendor for the latest updates and additional advice.
The CVE-2013-1331 vulnerability in Microsoft Office 2003 and Microsoft Office for Mac 2011 involves improper parsing of PNG code. There have been reports of this vulnerability being used in limited, targeted attacks in the wild. The attacks use specially crafted Office documents, which reference malicious PNG files hosted on remote servers. If successfully exploited, the attacker may be able to perform remote code execution on the affected machine.
For more information on the CVE-2013-1331 vulnerability and the corresponding security update for it, please refer to:
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