As we approach 2026, millions of users are wondering whether their current Mac or Windows PC will still receive critical security updates. The answer depends on your device's age, operating system version, and manufacturer policies—factors that could leave some systems vulnerable if not addressed.

Understanding Security Update Lifecycles

Both Apple and Microsoft follow structured support timelines, but with key differences:

  • Apple's macOS Support: Typically provides 5-7 years of security updates from a macOS version's initial release
  • Microsoft's Windows Support: Offers 10 years of security updates for Windows 10/11 (5 years mainstream + 5 years extended)

Windows Update Outlook for 2026

Microsoft's support policies create clear deadlines:

Windows 10

  • End of Life: October 14, 2025
  • 2026 Status: No security updates unless using paid Extended Security Updates (ESUs)
  • Affected Devices: All Windows 10 PCs, including those incompatible with Windows 11

Windows 11

  • Initial Release: October 2021
  • 2026 Support: Fully supported through at least 2026 (Home/Pro editions)
  • Hardware Requirements: TPM 2.0 and 8th-gen Intel/AMD Zen 2 CPUs or newer

macOS Update Outlook for 2026

Apple's approach differs significantly:

  • Current Models: 2023 MacBook Pro/Mac mini will likely receive updates through 2028-2030
  • Older Intel Macs: 2017-2019 models may lose support by 2026
  • Security Update Policy: Apple typically provides 2 years of additional security patches after major version support ends

Key Factors Affecting Your Device

  1. Hardware Age:
    - Windows: 8th-gen Intel (2017) or newer required for Windows 11
    - Mac: M1 (2020) or newer for longest support

  2. Operating System Version:
    - Windows 10 22H2 is the final version
    - macOS Ventura (2022) or newer recommended

  3. Security Update Alternatives:
    - Windows: Enterprise ESU program ($)
    - Mac: Third-party tools like OpenCore Legacy Patcher

Preparing for 2026: Actionable Steps

  • Check Your Windows Version: Settings > System > About
  • Verify Mac Compatibility: Apple Menu > About This Mac
  • Consider Upgrade Paths:
  • Windows 10 users: Test Windows 11 compatibility via PC Health Check
  • Intel Mac users: Evaluate Apple Silicon transition
  • Budget for Hardware Refresh: Plan for replacement if your device won't receive updates

Security Risks of Unsupported Devices

Running unsupported systems in 2026 exposes users to:

  • Unpatched vulnerabilities
  • Malware and ransomware threats
  • Compliance violations (for businesses)
  • Reduced software compatibility

Comparative Support Timelines

Platform Current Version 2026 Support Status
Windows 10 22H2 Extended Security Updates ($)
Windows 11 23H2 Fully Supported
macOS Sonoma 14.x Likely Supported
macOS Ventura 13.x Final Year of Support

Expert Recommendations

  1. Enterprise Users:
    - Begin Windows 11 migration now
    - Evaluate Mac fleet for Apple Silicon transition

  2. Home Users:
    - Windows 10 devices: Upgrade before October 2025
    - Older Macs: Consider replacement if pre-2018

  3. All Users:
    - Enable automatic updates
    - Maintain backup solutions
    - Use modern browsers with independent security updates

The Bottom Line

By 2026, most Windows 10 devices and Intel Macs from 2017 or earlier will face security update discontinuation. Proactive planning is essential—whether that means upgrading your OS, purchasing new hardware, or implementing alternative security measures. The coming year represents a critical window to evaluate your technology roadmap before support deadlines arrive.