# Is it supported for Cyber Essentials?

> End-of-support dates by version for operating systems and applications, and what Cyber Essentials questions A6.1 to A6.3 require when software is out of support. Dataset last checked 2026-11-03.

Unsupported software in scope fails Cyber Essentials unless it is removed or isolated in an out-of-scope sub-set. Vendors change dates, so each page links its source. Site index: https://cyberessentialspreparation.com/llms.txt.

## Operating system
- [Windows 10](https://cyberessentialspreparation.com/supported/windows-10.md): Some versions unsupported. Windows 10 support ended on 14 October 2025. A Windows 10 device counts as supported for A6.1 only while it is enrolled in Extended Security Updates you can…
- [Windows 11](https://cyberessentialspreparation.com/supported/windows-11.md): Some versions unsupported. Windows 11 is supported, but each feature update has its own end date: 24 months for Home and Pro, 36 months for Enterprise and Education. In November 2026…
- [macOS](https://cyberessentialspreparation.com/supported/macos.md): Some versions unsupported. Apple publishes no end-of-support dates for macOS. In practice it patches the current release and the two before it: on 26 October 2026 Apple shipped security…
- [Ubuntu](https://cyberessentialspreparation.com/supported/ubuntu.md): Some versions unsupported. Ubuntu LTS releases get five years of standard security maintenance and ten with an Ubuntu Pro subscription (Expanded Security Maintenance). Ubuntu Pro is free…

## Server operating system
- [Windows Server 2012 R2](https://cyberessentialspreparation.com/supported/windows-server-2012-r2.md): Unsupported. Windows Server 2012 R2 is unsupported. Extended support ended on 10 October 2023 and the third and final year of paid Extended Security Updates ended on 13…
- [Windows Server 2016, 2019, 2022 and 2025](https://cyberessentialspreparation.com/supported/windows-server.md): All listed versions supported. Windows Server 2016 and later are supported until their extended support end dates, which is what Cyber Essentials counts for A6.1. Windows Server 2016 ends on…

## Mobile operating system
- [iOS and iPadOS](https://cyberessentialspreparation.com/supported/ios.md): Some versions unsupported. Apple publishes no end dates for iOS and iPadOS. On 26 October 2026 it shipped security updates for iOS 27, iOS 26 and iOS 18, so devices on those versions can…
- [Android](https://cyberessentialspreparation.com/supported/android.md): Some versions unsupported. Android support depends on the device manufacturer, not the Android version alone. Google's November 2026 security bulletin lists fixes for Android 14, 15, 16…

## Office application
- [Microsoft Office 2016, 2019 and 2021](https://cyberessentialspreparation.com/supported/microsoft-office-2016-2019.md): Some versions unsupported. Office 2016 and Office 2019 reached end of support on 14 October 2025, and Office 2021 and Office LTSC 2021 on 13 October 2026. All four are unsupported…

## Web browser
- [Google Chrome](https://cyberessentialspreparation.com/supported/google-chrome.md): Some versions unsupported. Google Chrome is supported while it is on the current Stable or Extended Stable release. Google ships security fixes only to the current release of each…
- [Microsoft Edge](https://cyberessentialspreparation.com/supported/microsoft-edge.md): Some versions unsupported. Microsoft Edge is supported on the current Stable or Extended Stable release. Since Edge 152 the Stable channel moves to a new major version every two weeks…
- [Mozilla Firefox](https://cyberessentialspreparation.com/supported/mozilla-firefox.md): Some versions unsupported. Firefox is supported on the current release or the current Extended Support Release (ESR). In November 2026 the current ESR line is 153, scheduled to run to…

## Document application
- [Adobe Acrobat Reader](https://cyberessentialspreparation.com/supported/adobe-acrobat-reader.md): Some versions unsupported. Adobe Acrobat Reader on the Continuous track is supported while it auto-updates. The Classic tracks have end dates: Acrobat 2020 ended on 30 November 2025 and…

## Runtime
- [Java (Oracle JDK and OpenJDK builds)](https://cyberessentialspreparation.com/supported/java.md): Some versions unsupported. Java is supported for Cyber Essentials when the build you run still receives security fixes and you are entitled to them. Oracle JDK 25 is the current LTS, and…

## Server application
- [Microsoft Exchange Server](https://cyberessentialspreparation.com/supported/exchange-server.md): Some versions unsupported. Exchange Server 2016 and 2019 both reached end of support on 14 October 2025 and are unsupported software for A6.2 and A6.2.3. Exchange Server Subscription…
- [Microsoft SQL Server](https://cyberessentialspreparation.com/supported/sql-server.md): Some versions unsupported. SQL Server is supported for Cyber Essentials until the end of extended support for that version, or while you hold paid Extended Security Updates. SQL Server…