Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-29823
CVE-2025-29823:
vulnerability analysis and mitigation
Overview
CVE-2025-29823 is a Remote Code Execution (RCE) vulnerability discovered in Microsoft Office Excel. The vulnerability was disclosed on April 8, 2025, and is classified as a Use-after-free vulnerability that allows an unauthorized attacker to execute code locally (NVD, CVE).
Technical details
The vulnerability is rated as Important with a CVSS v3.1 Base Score of 7.8 HIGH (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The vulnerability is classified as CWE-416 (Use After Free). The Preview Pane is identified as an attack vector, though user interaction is required for successful exploitation (ZDI).
Impact
If successfully exploited, this vulnerability allows an unauthorized attacker to execute arbitrary code in the local context. The high CVSS score indicates potential severe impacts on the confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability as part of their April 2025 Patch Tuesday updates. However, updates for Microsoft Office LTSC for Mac 2021 and 2024 are not yet available (ZDI).
Additional resources
Source: This report was generated using AI
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