CVE-2025-25005

Microsoft Exchange Server Tampering Vulnerability

Description

Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 14
Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 15
Affected: Microsoft Microsoft Exchange Server Subscription Edition RTM
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-25005 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-25005?
CVE-2025-25005 has been scored as a medium severity vulnerability.
How to fix CVE-2025-25005?
To fix CVE-2025-25005, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-25005 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-25005 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-25005?
CVE-2025-25005 affects Microsoft Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Microsoft Exchange Server Subscription Edition RTM.
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