How to check for Windows updates and install them

Keeping Windows up to date is an important part of warding off malware, exploits, and other attacks. If you’re not running the latest version of your OS, it can give cybercriminals the leverage they need to compromise your system. Unfortunately not all machines are running automatic updates by...

A week in security (Nov 29 – Dec 5)

Last week on Malwarebytes Labs: CronRAT targets Linux servers with e-commerce attacks Hackers all over the world are targeting Tasmania’s emergency services Massive faceprint scraping company Clearview AI hauled over the coals Most people aren’t upgrading to Windows 11: Not the end of the world...

Most people aren’t upgrading to Windows 11: Not the end of the world

Windows 11 is experiencing an apparent lack of uptake among Windows users. If this survey is accurate, less than 1% of 10 million PCs surveyed are running the new operating system. In fact, more machines are using Windows XP. That may surprise you. It might even seem like a bit of an embarrassing...

Ongoing Exploitation of Windows Installer CVE-2021-41379

CVE | Vendor Advisory | AttackerKB | IVM Content | Patching Urgency | Last Update ---|---|---|---|---|--- CVE-2021-41379 | Microsoft Advisory | AttackerKB | Scheduled when patched | ASAP when released | December 3, 2021 3:00 PM ET See the Updates section at the end of this post for new informatio...

Attackers Actively Target Windows Installer Zero-Day

Attackers are actively exploiting a Windows Installer zero-day vulnerability that was discovered when a patch Microsoft issued for another security hole inadequately fixed the original and unrelated problem. Over the weekend, security researcher Abdelhamid Naceri discovered a Windows Installer...

Windows 10 chills out, gives sysadmins a break

A few short weeks ago, Microsoft launched the very latest version of its desktop operating system OS, Windows 11. In security terms, Windows 11 is very much Windows 10 with knobs on. Or what Spinal Taps Nigel Tufnel might describe as Windows 10 turned up to 11. Unlike Tufnels description of his...

2021-11 Cumulative Update for Windows 11 for x64-based Systems (KB5007215)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2021-11 Dynamic Cumulative Update for Windows 11 for x64-based Systems (KB5007215)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

2021-11 Cumulative Update for Windows 11 for ARM64-based Systems (KB5007215)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

November 9, 2021—KB5007215 (OS Build 22000.318)

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KB5007215: Windows 11 Security Updates (November 2021)

The Windows 11 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - A denial of service DoS vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. CVE-2021-41356,...

Microsoft Windows Virtual Machine 代码注入漏洞

Microsoft Windows Virtual Machine is a virtualization technology from Microsoft USA. It allows you to run many virtual environments in a Windows environment. A code injection vulnerability exists in Microsoft Windows Virtual Machine Bus. The following products and editions are affected:Windows 10...

OPENSUSE-SU-2021:1393-1 Security update for virtualbox

This update for virtualbox fixes the following issues: Version bump to 6.1.28 released October 19 2021 by Oracle This is a maintenance release. The following items were fixed and/or added: - VMM: Fixed guru meditation while booting nested-guests accessing debug registers under certain conditions ...

Patch Tuesday, October 2021 Edition

Microsoft today issued updates to plug more than 70 security holes in its Windows operating systems and other software, including one vulnerability that is already being exploited. This months Patch Tuesday also includes security fixes for the newly released Windows 11 operating system. Separatel...

2021-10 Cumulative Update for Windows 11 for ARM64-based Systems (KB5006674)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2021-10 Dynamic Cumulative Update for Windows 11 for ARM64-based Systems (KB5006674)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

2021-10 Dynamic Cumulative Update for Windows 11 for x64-based Systems (KB5006674)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

October 12, 2021—KB5006674 (OS Build 22000.258)

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Microsoft Windows AppContainer 安全特征问题特征问题漏洞

Microsoft Windows AppContainer is a sandboxing mechanism by Microsoft Corporation USA to control which resources UWP applications can or cannot access. A security signature issue vulnerability exists in Microsoft Windows AppContainer. The following products and versions are affected:Windows 10...

Microsoft Windows Bind Filter Driver 信息泄露漏洞

Microsoft Windows Bind Filter Driver is a bind filter driver from Microsoft Corporation USA. An information disclosure vulnerability exists in Microsoft Windows Bind Filter Driver. The following products and versions are affected: Windows 10 Version 2004 for 32-bit Systems,Windows 10 Version 2004...