On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.
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Thu, 07 Aug 2025 22:15:00 +0000
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Microsoft
Microsoft exchange Microsoft exchange Server |
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Microsoft
Microsoft exchange Microsoft exchange Server |
Wed, 06 Aug 2025 17:15:00 +0000
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ssvc
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Wed, 06 Aug 2025 16:15:00 +0000
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Description | On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment. | |
Title | Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability | |
Weaknesses | CWE-287 | |
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Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: microsoft
Published: 2025-08-06T16:02:05.764Z
Updated: 2025-08-07T21:01:00.425Z
Reserved: 2025-07-09T13:40:07.624Z
Link: CVE-2025-53786

Updated: 2025-08-06T16:26:54.428Z

Status : Awaiting Analysis
Published: 2025-08-06T16:15:30.700
Modified: 2025-08-06T20:23:37.600
Link: CVE-2025-53786

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