The vulnerability has only been presented as proof-of-concept code meaning that, although a security flaw has been found, there is no evidence of any exploit code or active attacks taking place.
Microsoft issued four patches on Tuesday for vulnerabilities in Office that allowed for remote execution of code.
In one case, attackers were using specially crafted files to target another vulnerability in PowerPoint in order to gain access to a system and run malware.
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Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago