That's because the company is kicking off a controversial new all-or-nothing patch model this month by packaging all security updates into a single payload, removing your ability to pick and choose which individual patches to install.
October's patch bundle includes fixes for at least 5 separate dangerous zero-day vulnerabilities in Internet Explorer, Edge, Windows and Office products that attackers were already exploiting in the wild before the patch release.
The patches for these zero-day flaws are included in MS16-118, MS16-119, MS16-120, MS16-121 and MS16-126. All the zero-days are being exploited in the wild, allowing attackers to execute a remote command on victim's system.
Although none of the zero-day flaws were publicly disclosed prior to Tuesday, the company was aware of attacks exploiting these flaws, said Microsoft.
Here's the list of Zero-Day Vulnerabilities:
- CVE-2016-3298: An Internet Explorer zero-day flaw is a browser information disclosure vulnerability patched in MS16-118 bulletin among 11 other vulnerabilities. It could allow attackers to "test for the presence of files on disk."
- CVE-2016-7189: A zero-day in the browser's scripting engine has been patched in Microsoft Edge bulletin, MS16-119, among others. The flaw is a remote code execution vulnerability.
- CVE-2016-3393: Another zero-day in Microsoft Windows Graphics Component has been addressed in MS16-120 that could be exploited over the web, or via an email containing malicious file or over a file-sharing app to conduct RCE attack.
- CVE-2016-7193: A single zero-day in Office has been addressed in MS16-121 bulletin. The flaw is a remote code execution vulnerability caused by the way Office handles RTF files.
- CVE-2016-3298: The last publicly attacked zero-day has been patched in MS16-126, which is the only zero-day that is not rated critical, just moderate. The flaw is an information disclosure bug affecting Vista, Windows 7 and 8 and exists in the Microsoft Internet Messaging API.
Microsoft also patched twelve vulnerabilities in Adobe Flash Player for Windows 8.1, Windows 10, and Server 2012 in MS16-127.
Rest bulletins rated important or moderate, including MS16-123, MS16-124 and MS16-125, patches five elevation of privilege vulnerabilities in Windows Kernel-Mode, four elevation of privilege vulnerabilities in Windows Registry, and an elevation of privilege flaw in Windows Diagnostics Hub respectively.
Adobe Patch Update
Adobe also released a new version of Flash Player today that patched a dozen of vulnerabilities in its software, most of which were remote code execution flaws.
Adobe has also published code clean-ups for 71(!) CVE-listed security flaws in Acrobat and Reader, along with a fix for a single elevation of privilege bug in Creative Cloud.
Users are advised to apply Windows and Adobe patches to keep away hackers and cybercriminals from taking control over your computer.
A system reboot is necessary for installing updates, so admins are advised to save work on PCs where the whole package of patches is deployed before initiating the process.
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