![]() If you’re on an unsupported version of macOS, your Office apps will still work but you would no longer receive any updates including security updates. What if I don't update macOS to a supported version? Learn more about the latest macOS releases. The October 2022 update (16.66) is the last build to support macOS Catalina 10.15. Note that new installs of Microsoft 365 for Mac also requires macOS Big Sur 11 or later. Upgrading your operating system to macOS Big Sur 11 or later will allow Office updates to be delivered for your apps. If you continue with an older version of macOS, your Office apps will still work, but you'll no longer receive any updates including security updates. ![]() Keep vulnerabilities in tow by using Malwarebytes Vulnerability and Patch Management.Starting with the November 2022 update (16.67) macOS Big Sur 11 or later is required to receive updates to Word, Excel, PowerPoint, Outlook, OneNote, and Microsoft Defender. We don’t just report on vulnerabilities-we identify them, and prioritize action.Ĭybersecurity risks should never spread beyond a headline. If after freeing a memory location a program does not clear the pointer to that memory, an attacker can use the error to manipulate the program. Use after free (UAF) is a vulnerability due to incorrect use of dynamic memory during a program’s operation. This could allow an attacker to write code to a part of the memory where it will be executed with permissions that the program and user should not have. Processing maliciously crafted web content may lead to arbitrary code execution.Īn out-of-bounds write or read flaw makes it possible to manipulate parts of the memory which are allocated to more critical functions. CVE-2023-32373: A use-after-free issue in WebKit which was addressed with improved memory management.Processing web content may disclose sensitive information. CVE-2023-28204: An out-of-bounds read issue in WebKit was addressed with improved input validation.We now know that the CVEs patched in that RSR update are listed as: They're meant to make the deployment of security improvements faster and more frequent. ![]() Previously, Apple security fixes came bundled along with features and improvements, but RSRs only carry security fixes. RSR is a new type of software patch delivered between Apple's regular, scheduled software updates. The notes about the security updates also revealed some information about the Apple’s Rapid Security Response (RSR) update we reported about earlier this month. CVE-2023-32409: An issue where remote attacker may be able to break out of Web Content sandbox was addressed with improved bounds checks.The CVE containing the information about the new zero-day is: The Common Vulnerabilities and Exposures (CVE) database lists publicly disclosed computer security flaws. If a Safari update is available for your device, you can get it by updating or upgrading macOS, iOS, or iPadOS: The updates may already have reached you in your regular update routines, but it doesn't hurt to check if your device is at the latest update level. Mac workstations and laptops running macOS, Big Sur, Monterey, and Ventura.It is also the web browser engine used by Mail, App Store, and many other apps on macOS, iOS, and Linux.ĭevices impacted by the identified exploits include: WebKit is the engine that powers the Safari web browser on Macs as well as all browsers on iOS and iPadOS (all web browsers on iOS and iPadOS are obliged to use it). All these actively exploited vulnerabilities are directly related to the WebKit browser engine. ![]() Apple has rolled out security updates for Safari 16.5, watchOS 9.5, tvOS 16.5, iOS 16.5, iPadOS 16.5, iOS 15.7.6, iPadOS 15.7.6, macOS Big Sur 11.7.7, macOS Ventura 13.4, and macOS Monterey 12.6.6.Īmong the security updates were patches for three actively exploited zero-day vulnerabilities.
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