CVE-2023-35388: Microsoft Exchange Server Remote Code Execution Vulnerability

Published Aug 8, 2023
·
Updated

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected Software

6 affected componentsFixes available
Microsoft Exchange Server=2016-cumulative_update_23
Microsoft Exchange Server=2019-cumulative_update_12
Microsoft Exchange Server=2019-cumulative_update_13
Microsoft Exchange Server 2019=12
15.02.1118.037
Microsoft Exchange Server 2019=13
15.02.1258.025
Microsoft Exchange Server 2016=23
15.01.2507.032

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.02.1118.037Patch KB5030524
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.01.2507.032Patch KB5030524
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.02.1258.025Patch KB5030524

Event History

Aug 8, 2023
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:08 PM
Data Sourced
via MITRE·05:08 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-35388?

CVE-2023-35388 is a remote code execution vulnerability in Microsoft Exchange Server.

2

How severe is CVE-2023-35388?

CVE-2023-35388 has a severity rating of high.

3

Which versions of Microsoft Exchange Server are affected by CVE-2023-35388?

CVE-2023-35388 affects Microsoft Exchange Server 2016 cumulative update 23, Exchange Server 2019 cumulative update 12, and Exchange Server 2019 cumulative update 13.

4

How can I fix CVE-2023-35388?

You can fix CVE-2023-35388 by applying the security updates provided by Microsoft.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203