Microsoft’s October 2025 Patch Tuesday Summary

Microsoft’s October 2025 Patch Tuesday fixed 175+ vulnerabilities, including 6 zero-days—2 actively exploited. Windows 10 support officially ends. Time to update! 🔒🖥️

Here’s a quick breakdown:

🛠️ Patch Volume & Severity

• 175–193 vulnerabilities addressed across Microsoft products

• 6 zero-day flaws, with 2 actively exploited in the wild

• 9 critical-severity vulnerabilities, including remote code execution risks

🚨 Zero-Day Highlights

• Exploits targeted Windows drivers, remote access services, and WSUS infrastructure

• Public disclosure of 2 zero-days, with 4 already being exploited

📉 Windows 10 Reaches End of Life

• This update marks the final Patch Tuesday for Windows 10—no more security updates unless you’re on extended support

🧠 Vulnerability Breakdown

• 80 Elevation of Privilege

• 31 Remote Code Execution

• 28 Information Disclosure

• 11 Security Feature Bypass

• 11 Denial of Service

• 10 Spoofing

🧩 Other Notables

• 14 vulnerabilities patched in Microsoft Edge (Chromium)

• Azure Linux (Mariner) received separate fixes

🔧 What to Do

• IT admins should prioritize patching systems vulnerable to active exploits.

• Regular patch cycles are recommended—no need to expedite unless you’re exposed