CVE-2025-25005
vulnerability analysis and mitigation

Overview

Microsoft Exchange Server Tampering Vulnerability (CVE-2025-25005) was disclosed as part of Microsoft's August 2025 Patch Tuesday security updates. The vulnerability affects Microsoft Exchange Server Subscription Edition RTM and was released alongside other Exchange Server vulnerabilities including CVE-2025-25006, CVE-2025-25007, and CVE-2025-33051 (Microsoft Support, Bleeping Computer).

Technical details

The vulnerability is classified as a tampering vulnerability with an 'Important' severity rating. It was addressed in the security update rollup KB5063224 for Microsoft Exchange Server Subscription Edition RTM released on August 12, 2025 (Microsoft Support).

Impact

The vulnerability could allow an attacker to tamper with Microsoft Exchange Server systems, though specific impact details were not publicly disclosed (Bleeping Computer).

Mitigation and workarounds

Microsoft has released security update KB5063224 to address this vulnerability. Organizations are advised to follow the instructions in the Microsoft Security Response Center (MSRC) article to properly implement the fix (Microsoft Support).

Additional resources


SourceThis report was generated using AI

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