Microsoft just pushed out important security updates designed to patch a serious vulnerability in Office 365, Paint 3D and other popular Windows 10 apps.
As described in a Microsoft security advisory, the flaws stem from the Autodesk FBX library, which is integrated into several Microsoft applications (via ZDNet). Those include Microsoft Office 2019 (32-bit and 64-bit), Office 365 ProPlus (32-bit and 64-bit), Paint 3D and Office 1026 Click-to-Run.
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Microsoft labels the vulnerabilities as "important," and while that's a step down from the maximum "critical" level, the flaw can be exploited remotely to damaging effect.
"Remote code execution vulnerabilities exist in Microsoft products that utilize the FBX library when processing specially crafted 3D content," the advisory reads. "An attacker who successfully exploited these vulnerabilities could gain the same user rights as the local user."
For an attacker to take control of a system, they would simply send a user a malicious Autodesk FBX file and trick them into opening it. Microsoft notes that users who run the Office programs or Paint 3D with fewer user rights are less at risk than those who operate as an administrator.
As ZDNet points out, Autodesk, the company behind the FBX file, released its own advisory last Wednesday for six separate high-severity flaws affecting apps that use FBX-SDK Version 2020.0 or earlier.
The FBX SDK is a free C++ software platform and API toolkit that lets applications transfer existing content into FBX format, which is popular for 3D modeling.
What to do
Microsoft released updates to patch the vulnerabilities in the apps that use the Autodesk FBX library. If you use any of the aforementioned apps (Office 2019, Paint 3D), make sure they are updated to the latest versions.
For Office products, visit this webpage for steps to determine which version you are using. If it's not the latest release, consider manually downloading the update.
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Phillip Tracy is the assistant managing editor at Laptop Mag where he reviews laptops, phones and other gadgets while covering the latest industry news. After graduating with a journalism degree from the University of Texas at Austin, Phillip became a tech reporter at the Daily Dot. There, he wrote reviews for a range of gadgets and covered everything from social media trends to cybersecurity. Prior to that, he wrote for RCR Wireless News covering 5G and IoT. When he's not tinkering with devices, you can find Phillip playing video games, reading, traveling or watching soccer.