JPCERT-AT-2023-0004
JPCERT/CC
2023-02-15
Microsoft Corporation
February 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Feb
Microsoft Corporation
Microsoft Security Updates for February 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/02/202302-security-update/
According to Microsoft, among these 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-2023-21715
Microsoft Office Security Feature Bypass Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21715
CVE-2023-21823
Windows Graphics Component Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21823
CVE-2023-23376
Windows Common Log File System Driver Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-23376
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
Microsoft The Exchange Team
Released: February 2023 Exchange Server Security Updates
https://techcommunity.microsoft.com/t5/exchange-team-blog/released-february-2023-exchange-server-security-updates/ba-p/3741058
Microsoft The Exchange Team
Exchange Server 2013 End of Support Approaching Fast
https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-server-2013-end-of-support-approaching-fast/ba-p/3741491
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
2023-02-15
I. Overview
Microsoft has released February 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
February 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Feb
Microsoft Corporation
Microsoft Security Updates for February 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/02/202302-security-update/
According to Microsoft, among these 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-2023-21715
Microsoft Office Security Feature Bypass Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21715
CVE-2023-21823
Windows Graphics Component Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21823
CVE-2023-23376
Windows Common Log File System Driver Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-23376
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
Microsoft The Exchange Team
Released: February 2023 Exchange Server Security Updates
https://techcommunity.microsoft.com/t5/exchange-team-blog/released-february-2023-exchange-server-security-updates/ba-p/3741058
Microsoft The Exchange Team
Exchange Server 2013 End of Support Approaching Fast
https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-server-2013-end-of-support-approaching-fast/ba-p/3741491
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/