JPCERT-AT-2025-0023
JPCERT/CC
2025-11-12

I. Overview

Microsoft has released November 2025 Security Updates to address the vulnerabilities in their products. Attackers leveraging these vulnerabilities may be able to gain SYSTEM privileges.

Microsoft Corporation
November 2025 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2025-Nov

According to Microsoft, among the vulnerabilities, the following vulnerability has been confirmed to be exploited in the wild. Please consider applying the security update programs by referring to the information provided by Microsoft.

CVE-2025-62215
Windows Kernel Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-62215

II. Solution

Please apply the security update programs through Microsoft Update, Windows Update, etc.

Microsoft Update Catalog
https://www.catalog.update.microsoft.com/

Windows Update: FAQ
https://support.microsoft.com/en-us/help/12373/windows-update-faq

III. References

Microsoft Corporation
Release Notes
https://msrc.microsoft.com/update-guide/

If you have any information regarding this alert, please contact JPCERT/CC.

JPCERT Coordination Center (Early Warning Group)
MAIL: ew-info@jpcert.or.jp
https://www.jpcert.or.jp/english/