Microsoft Releases Security Updates Fix Zero-Day Vulnerability in MS Office

Microsoft releases an update addressing more than fifty susceptibilities on Tuesday, containing a zero-day vulnerability in Office concerning to an Equation Editor error that has been exploited by different risk groups in the previous few months. The zero-day vulnerability, pursued as CVE-2018-0802, Microsoft has already mentioned as a memory exploitation issue that can be exploited for isolated code implementation by getting directed users to open a specifically crafted file via Office or WordPad.

Microsoft has benefited different researchers from Chinese companies Tencent and Qihoo 360, ACROS Security’s 0Patch Team, and professionals from Check Point Software Technologies for seeking out the error. The security and protection space concerning to CVE-2017-11882, a 17-year-old susceptibility in the Equation Editor (EQNEDT32.EXE), which the merchant described with the updates released in November 2017 Patch Tuesday. Based on how the fix was established, professionals trust Microsoft may have mislaid the application’s source code, which obligatory it to in some way fix the executable file openly.

Microsoft exchanged the Equation Editor section in Office 2007, but preserved the old one as well for working with each other. The tricky section has now been detached from Office. 0Patch researchers have been evaluating CVE-2017-11882, which has probable directed them to determining a new, concerning vulnerability. Check Point has announced in a blog post with the facts of CVE-2018-0802 and presented how an exploit functions, but they have not revealed any threats.

This also recommends that the Chinese researchers may have been the ones who marked the susceptibility being exploited in threats. This would not be for the first time that the professionals at Qihoo 360 observed the exploitation of MS Office zero-day. It was done back in October as well, after Microsoft announced a fix, they described seeing CVE-2017-11826 being influenced to carry malware. If CVE-2018-0802 is connected to CVE-2017-11882, there is a wide list of danger actors who may be misusing it. CVE-2017-11882 has been oppressed by Iranian cyberspies, the Cobalt hacking group, someone who uses TelegramRAT.

The updates Microsoft released also state a deceiving vulnerability in MSOffice for Mac that has previously been widely revealed. Sixteen of the errors fixed current month have been rated serious, a common distressing the scripting engine employed by the Edge and Internet Explorer web browsers. Microsoft has also regarded dangerous a Word susceptibility (CVE-2018-0797) that can be oppressed for distant code implementation using specifically crafted RTF files. The updates on Adobe for this month patch only one fact exposes susceptibility in Flash Player.

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