# Microsoft on Tuesday released patches for 138 security vulnerabilities spanning its product portfolio.

*genai · news · 2026-05-13 · The Hacker News*

## Key points

- Microsoft released patches for 138 vulnerabilities, including 30 rated Critical, none publicly exploited yet.
- Sixteen flaws patched this month were discovered using Microsoft's new multi-model AI-driven MDASH system.
- A mandatory update to Windows Secure Boot certificates must occur before June 26, 2026, to avoid boot failures.
- High-severity vulnerabilities affect Windows DNS, Azure, Microsoft Dynamics 365, Teams, and Entra ID.
- Microsoft expects Patch Tuesday updates to increase in scale due to AI-assisted vulnerability discovery.

**Companies:** Microsoft, AMD, Google
**Countries:** United States

[Read the full story on The Hacker News](https://thehackernews.com/2026/05/microsoft-patches-138-vulnerabilities.html)

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