--- title: ACSC - High Alert - Apple IOS, Macos and Safari description: Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari image: https://blog.voiceplus.com.au/hubfs/ACSC.png --- [![header-logo-img](https://blog.voiceplus.com.au/hubfs/VoicePlus_2023_blog_assets/logo_header.png)](https://www.voiceplus.com.au/) - [Home](https://www.voiceplus.com.au/) - Solutions ENTERPRISE SERVICES [Integrated Managed Mobility & EndPoint Services](https://www.voiceplus.com.au/enterprise-services/integrated-managed-mobility-and-endpoint-services) [Telecom Expense Management & Optimisation](https://www.voiceplus.com.au/enterprise-services/telecom-expense-management-and-optimisation) [Device Lifecycle Management](https://www.voiceplus.com.au/enterprise-services/device-lifecycle-management) [Procurement & Support](https://www.voiceplus.com.au/enterprise-services/procurement-and-support) [Device Security & Application](https://www.voiceplus.com.au/enterprise-services/device-security-and-application) [Site, Branch & Site Connectivity](https://www.voiceplus.com.au/enterprise-services/site-branch-and-site-connectivity) ENTERPRISE OUTCOMES [Reduce Costs](https://www.voiceplus.com.au/solutions/reduce-costs) [Track Assets & Centralized Management](https://www.voiceplus.com.au/solutions/track-assets-and-centralized-management) [Security](https://www.voiceplus.com.au/solutions/security) - [About Us](https://www.voiceplus.com.au/about-us) - [Contact Us](https://www.voiceplus.com.au/contact-us) - [Blog](https://blog.voiceplus.com.au/en-au) - [Trust Centre](https://www.voiceplus.com.au/trust-centre) # ACSC - High Alert - Apple IOS, Macos and Safari ![underline-img](https://blog.voiceplus.com.au/hs-fs/hubfs/VoicePlus_2023_blog_assets/underline.png?width=212&height=3&name=underline.png) 27 September 2021 [![Share on linkedin](https://blog.voiceplus.com.au/hs-fs/hubfs/VoicePlus_2023_blog_assets/linkedin-color.png?width=24&name=linkedin-color.png)](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.voiceplus.com.au/en-au/acsc-high-alert-apple-ios-macos-and-safari?utm_medium=social&utm_source=linkedin) [![Share on twitter](https://blog.voiceplus.com.au/hs-fs/hubfs/VoicePlus_2023_blog_assets/twitter-color.png?width=24&name=twitter-color.png)](https://twitter.com/intent/tweet?original_referer=https://blog.voiceplus.com.au/en-au/acsc-high-alert-apple-ios-macos-and-safari?utm_medium=social&utm_source=twitter&url=https://blog.voiceplus.com.au/en-au/acsc-high-alert-apple-ios-macos-and-safari?utm_medium=social&utm_source=twitter&source=tweetbutton&text=) [![Share on facebook](https://blog.voiceplus.com.au/hs-fs/hubfs/VoicePlus_2023_blog_assets/facebook-color.png?width=24&name=facebook-color.png)](http://www.facebook.com/share.php?u=https://blog.voiceplus.com.au/en-au/acsc-high-alert-apple-ios-macos-and-safari?utm_medium=social&utm_source=facebook) ## Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari Vulnerabilities have been identified in certain versions of Apple iOS, macOS and Safari which could allow an actor to install malware or perform other actions on a vulnerable device or computer. **Alert status: HIGH** ### Background / What's happened? Two vulnerabilities (CVE-2021-30858 and CVE-2021-30860) have been identified in certain Apple products which could allow an actor to execute arbitrary code, enabling the installation of malware or other actions on a vulnerable Apple device or computer. Apple has released the following security advisories which contain information on the security updates and associated vulnerabilities: - [iOS 14.8 and iPadOS 14.8](https://support.apple.com/en-us/HT212807) - [macOS Big Sur 11.6](https://support.apple.com/en-us/HT212804) - [macOS Catalina](https://support.apple.com/en-us/HT212805) - [Safari 14.1.2](https://support.apple.com/en-us/HT212808) - [watchOS 7.6.2](https://support.apple.com/en-us/HT212806) ### **Mitigation / How do I stay secure?** Apple has released security updates to address these vulnerabilities. Owners of affected Apple products should apply the available security updates detailed in the links above as soon as possible. Guidance on how to apply software updates to Apple products is available from the [Apple security updates page](https://support.apple.com/en-us/HT201222). ### **Assistance / Where can I go for help?** The ACSC is monitoring the situation and is able to provide assistance and advice as required. 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All Rights Reserved ![](https://blog.voiceplus.com.au/hubfs/raw_assets/public/Custom/page/VoicePlus_blog_2023_theme/icons8-settings-32.png) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Australian Cyber Security Centre", "url" : "https://blog.voiceplus.com.au/en-au/author/australian-cyber-security-centre" }, "dateModified" : "2023-09-11T09:48:32.338Z", "datePublished" : "2021-09-27T01:48:36.000Z", "headline" : "ACSC - High Alert - Apple IOS, Macos and Safari", "image" : [ "https://blog.voiceplus.com.au/hubfs/ACSC.png" ], "mainEntityOfPage" : { "@id" : "https://blog.voiceplus.com.au/en-au/acsc-high-alert-apple-ios-macos-and-safari", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://blog.voiceplus.com.au/hubfs/voiceplus_logo.png" }, "name" : "VoicePlus" } } ```