JPCERT-AT-2023-0019
JPCERT/CC
2023-09-13
Microsoft Corporation
September 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Sep
Microsoft Corporation
Microsoft Security Updates for September 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/09/202309-security-update/
According to Microsoft, among the vulnerabilities, the following vulnerabilities have been confirmed to be exploited in the wild. Please consider applying the security update programs by referring to the information provided by Microsoft.
CVE-2023-36761
Microsoft Word Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761
CVE-2023-36802
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36802
Microsoft Update Catalog
https://www.catalog.update.microsoft.com/
Windows Update: FAQ
https://support.microsoft.com/en-us/help/12373/windows-update-faq
Microsoft Corporation
Release Notes
https://msrc.microsoft.com/update-guide/releaseNote
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/
JPCERT/CC
2023-09-13
I. Overview
Microsoft has released September 2023 Security Updates to address the vulnerabilities in their products. Remote attackers leveraging these vulnerabilities may be able to execute arbitrary code. It is recommended to check the information provided by Microsoft and apply the updates.Microsoft Corporation
September 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Sep
Microsoft Corporation
Microsoft Security Updates for September 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/09/202309-security-update/
According to Microsoft, among the vulnerabilities, the following vulnerabilities have been confirmed to be exploited in the wild. Please consider applying the security update programs by referring to the information provided by Microsoft.
CVE-2023-36761
Microsoft Word Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761
CVE-2023-36802
Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36802
II. Solution
Please apply the security update programs through Microsoft Update,Windows Update, etc. as soon as possible.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/releaseNote
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/