7.8
CWE
426
Advisory Published
Updated

CVE-2023-21763: Microsoft Exchange Server Elevation of Privilege Vulnerability

First published: Tue Jan 10 2023(Updated: )

Microsoft Exchange Server Elevation of Privilege Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Exchange Server=2016-cumulative_update_23
Microsoft Exchange Server=2019-cumulative_update_11
Microsoft Exchange Server=2019-cumulative_update_12
Microsoft Exchange Server 2016=23
Microsoft Exchange Server 2019=12
Microsoft Exchange Server 2019=11

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2023-21763?

    CVE-2023-21763 is a vulnerability in Microsoft Exchange Server that allows an attacker to elevate their privileges.

  • What software versions are affected by CVE-2023-21763?

    CVE-2023-21763 affects Microsoft Exchange Server 2016 cumulative update 23, Microsoft Exchange Server 2019 cumulative update 11, and Microsoft Exchange Server 2019 cumulative update 12.

  • What is the severity of CVE-2023-21763?

    CVE-2023-21763 has a severity rating of 7.8, which is considered high.

  • How can I fix CVE-2023-21763?

    To fix CVE-2023-21763, update your Microsoft Exchange Server to the latest cumulative updates: Microsoft Exchange Server 2016 cumulative update 23, Microsoft Exchange Server 2019 cumulative update 11, or Microsoft Exchange Server 2019 cumulative update 12.

  • Where can I find more information about CVE-2023-21763?

    You can find more information about CVE-2023-21763 on the Microsoft Security Response Center (MSRC) website.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203