Another Windows Critical Vulnerability (and I forgot to get MS anything)

Microsoft Issues Emergency Windows Security Update For A Critical Vulnerability by Swati Khandelwal.

From the post:

If your computer is running Microsoft’s Windows operating system, then you need to apply this emergency patch immediately. By immediately, I mean now!

Microsoft has just released an emergency security patch to address a critical remote code execution (RCE) vulnerability in its Malware Protection Engine (MPE) that could allow an attacker to take full control of a victim’s PC.

Enabled by default, Microsoft Malware Protection Engine offers the core cybersecurity capabilities, like scanning, detection, and cleaning, for the company’s antivirus and antimalware programs in all of its products.

According to Microsoft, the vulnerability affects a large number of Microsoft security products, including Windows Defender and Microsoft Security Essentials along with Endpoint Protection, Forefront Endpoint Protection, and Exchange Server 2013 and 2016, impacting Windows 7, Windows 8.1, Windows 10, Windows RT 8.1, and Windows Server.

Tracked as CVE-2017-11937, the vulnerability is a memory corruption issue which is triggered when the Malware Protection Engine scans a specially crafted file to check for any potential threat.
… (emphasis in original)

I always feel bad when I read about newly discovered vulnerabilities in Microsoft Windows. Despite MS opening up computers around the world to the idly curious if not the malicious, I haven’t gotten them anything.

I’m sure Munich must be celebrating its plan to switch to Windows 10 for €50m. You wouldn’t think unintended governmental transparency would be that expensive. Munich could save everyone time and trouble by backing up all its files/data to an open S3 bucket on AWS. Thoughts?

Khandelwal also reports Microsoft says that this vulnerability isn’t being used in the wild. Modulo that claim comes from the originator of the vulnerability. If it couldn’t/didn’t recognize the vulnerability in its code, what are the odds of it recognizes its exploit by others? Your call.

See Khandelwal’s post for more details.

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