Microsoft ends Office LTSC 2021 security updates on Patch Tuesday

Microsoft has stopped shipping security patches for Office LTSC 2021 as of this month's Patch Tuesday. Unpatched installations face exposure to AI-crafted exploits, and the company recommends cloud plans or Office LTSC 2024 for air-gapped systems.

• Office LTSC 2021 no longer receives security updates as of this Patch Tuesday
• Microsoft warns of exposure to AI-crafted exploits
• Office LTSC 2024 or cloud plans recommended for air-gapped systems