Microsoft's November 2025 Patch Tuesday addresses a total of 63 vulnerabilities, including one actively exploited zero-day flaw (CVE-2025-62215) related to Windows Kernel Elevation of Privilege. The updates include four vulnerabilities classified as "Critical," with two for remote code execution, one for elevation of privileges, and one for information disclosure. The breakdown of vulnerabilities is as follows:
- 29 Elevation of Privilege Vulnerabilities
- 2 Security Feature Bypass Vulnerabilities
- 16 Remote Code Execution Vulnerabilities
- 11 Information Disclosure Vulnerabilities
- 3 Denial of Service Vulnerabilities
- 2 Spoofing Vulnerabilities
This Patch Tuesday marks the first extended security update (ESU) for Windows 10, and users are encouraged to upgrade to Windows 11 or enroll in the ESU program. Microsoft has also released an out-of-band update to assist with enrollment issues. Other companies, including Adobe, Cisco, and Google, have also issued security updates in November 2025.