Patch Tuesday KB3182373 fixes Silverlight vulnerability

Madeleine Dean By: Madeleine Dean
2 minute read

Home » News » Patch Tuesday KB3182373 fixes Silverlight vulnerability

The latest Patch Tuesday roll out brought a series of important security updates to the Windows OS. Thanks to these patches, Microsoft is one step ahead the attackers when it comes to protecting users’ computers.

Patch Tuesday brought 14 security updates to all supported Windows versions, and 7 of them are critical patches which means you should install them as soon as possible. The other 7 updates are rated as important. One such update is KB3182373 that patches a vulnerability in Microsoft Silverlight allowing remote code execution if a user visits a compromised website that contains a specially crafted Silverlight application.

Attacker first lure users into visiting a compromised website by usually enticing them to click a link sent in either an email message or instant message.

The update addresses the vulnerability by correcting how Microsoft Silverlight allocates memory for inserting and appending strings in StringBuilder.

This Silverlight vulnerability could allow remote code execution when Microsoft Silverlight improperly allows applications to access objects in memory. In other words, the vulnerability could corrupt system memory, allowing attackers to execute arbitrary code by giving them the same permissions as the currently logged-on user. Moreover, if a user is logged on with administrative user rights, attackers can take complete control of the system.

All builds of Microsoft Silverlight previous to 5.1.50709.0 are affected by this vulnerability, and if you want to be sure you’re not running a possibly vulnerable build, install the KB3182373 update to bring Microsoft Silverlight to build version 5.1.50709.0. You can visit the Get Microsoft Silverlight page if you already installed the tool to check which version and build of Microsoft Silverlight you are currently running on your computer.

You can install the KB3182373 update from the Windows Update Center, the Microsoft Update Catalog website or from the Microsoft Download Center.

RELATED STORIES YOU NEED TO CHECK OUT:

Discussions

Next up

How to open ZIPX files on Windows 10 [SIMPLE GUIDE]

Emmanuel Johnson avatar. By: Emmanuel Johnson
2 minute read

ZIPX files are similar to standard archive formats, and today we’ll show you how to easily open .ZIPX files on your Windows 10 PC. How […]

Continue Reading

Twitch could not verify Minecraft version [EXPERT GUIDE]

Vladimir Popescu avatar. By: Vladimir Popescu
3 minute read

If you tried launching Twitch with Minecraft this past month, you might have encountered this error Twitch could not verify Minecraft version. Even though the […]

Continue Reading

Internet connection sharing error 1053 [FIXED by EXPERTS]

Vladimir Popescu avatar. By: Vladimir Popescu
2 minute read

Many users have reported Internet connection sharing error 1053 when trying to start the Internet Connection Sharing services (ICS). After our research regarding this error […]

Continue Reading