CVE-2025-33051: Microsoft Exchange Server Information Disclosure Vulnerability

Published Aug 12, 2025
·
Updated

Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.

Other sources

Microsoft Exchange Server Information Disclosure Vulnerability

Microsoft

Affected Software

42 affected componentsFixes available
Microsoft Exchange Server Subscription Edition RTM
Microsoft Exchange Server 2019=15
Microsoft Exchange Server 2016=23
Microsoft Exchange Server 2019=14
Microsoft Exchange Server=2016
Microsoft Exchange Server=2016-cumulative_update_1
Microsoft Exchange Server=2016-cumulative_update_10
Microsoft Exchange Server=2016-cumulative_update_11
Microsoft Exchange Server=2016-cumulative_update_12
Microsoft Exchange Server=2016-cumulative_update_13
Microsoft Exchange Server=2016-cumulative_update_14
Microsoft Exchange Server=2016-cumulative_update_15
Microsoft Exchange Server=2016-cumulative_update_16
Microsoft Exchange Server=2016-cumulative_update_17
Microsoft Exchange Server=2016-cumulative_update_18
Microsoft Exchange Server=2016-cumulative_update_19
Microsoft Exchange Server=2016-cumulative_update_2
Microsoft Exchange Server=2016-cumulative_update_20
Microsoft Exchange Server=2016-cumulative_update_21
Microsoft Exchange Server=2016-cumulative_update_22
Microsoft Exchange Server=2016-cumulative_update_3
Microsoft Exchange Server=2016-cumulative_update_4
Microsoft Exchange Server=2016-cumulative_update_5
Microsoft Exchange Server=2016-cumulative_update_6
Microsoft Exchange Server=2016-cumulative_update_7
Microsoft Exchange Server=2016-cumulative_update_8
Microsoft Exchange Server=2016-cumulative_update_9
Microsoft Exchange Server=2019
Microsoft Exchange Server=2019-cumulative_update_1
Microsoft Exchange Server=2019-cumulative_update_10
Microsoft Exchange Server=2019-cumulative_update_11
Microsoft Exchange Server=2019-cumulative_update_12
Microsoft Exchange Server=2019-cumulative_update_13
Microsoft Exchange Server=2019-cumulative_update_2
Microsoft Exchange Server=2019-cumulative_update_3
Microsoft Exchange Server=2019-cumulative_update_4
Microsoft Exchange Server=2019-cumulative_update_5
Microsoft Exchange Server=2019-cumulative_update_6
Microsoft Exchange Server=2019-cumulative_update_7
Microsoft Exchange Server=2019-cumulative_update_8
Microsoft Exchange Server=2019-cumulative_update_9
Microsoft Exchange Server Subscription Edition<15.02.2562.020

Event History

Aug 12, 2025
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·05:09 PM
Data Sourced
via MITRE·05:09 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-33051?

CVE-2025-33051 is classified as an information disclosure vulnerability that can allow unauthorized actors to access sensitive information.

2

How do I fix CVE-2025-33051?

To mitigate CVE-2025-33051, you should apply the latest security patches provided by Microsoft for your affected version of Exchange Server.

3

Which versions of Microsoft Exchange Server are affected by CVE-2025-33051?

CVE-2025-33051 affects multiple versions of Microsoft Exchange Server, including Subscription Edition, 2019, and 2016.

4

Can CVE-2025-33051 be exploited remotely?

Yes, CVE-2025-33051 can be exploited over the network by an unauthorized attacker.

5

What are the implications of CVE-2025-33051 for organizations using Microsoft Exchange Server?

Organizations using Microsoft Exchange Server may face serious data breaches due to unauthorized access to sensitive information if CVE-2025-33051 is not addressed timely.

Contact

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