Patch Tuesday December's Patch Tuesday brings an 0day - and prompt injection warnings Microsoft patched 1,139 vulnerabilities in 2025. This month, look out for... Edward Targett Dec 10, 2025 - 3 min read Image credit: https://unsplash.com/@finik21 Get the full story: Subscribe for free Join peers managing over $100 billion in annual IT spend and subscribe to unlock full access to The Stack’s analysis and events. Subscribe now Already a member? Sign in