CVE-2025-47167: 
vulnerability analysis and mitigation

CVE-2025-47167 is a critical remote code execution vulnerability affecting Microsoft Office, discovered and disclosed on June 10, 2025, as part of Microsoft's June 2025 Patch Tuesday security updates. The vulnerability is classified as a type confusion issue where access of resource using incompatible type in Microsoft Office can lead to code execution (Wiz Blog, NVD).

The vulnerability is classified as a type confusion issue (CWE-843) where access of resource using incompatible type in Microsoft Office can lead to code execution. It has been assigned a CVSSv3.1 base score of 8.4 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The Preview Pane is identified as an attack vector for exploitation, making it particularly dangerous as it doesn't require user interaction (Wiz Blog).

The vulnerability has a high severity rating due to its potential impact on confidentiality, integrity, and availability. If successfully exploited, it allows an unauthorized attacker to execute arbitrary code locally on the affected system. The fact that Preview Pane is an attack vector means that users don't need to actively open malicious files to be compromised (Wiz Blog).

Microsoft has released a security patch to address this vulnerability as part of their June 2025 Patch Tuesday updates. Organizations are strongly advised to apply the security updates immediately, particularly due to the critical nature of the vulnerability and its potential for exploitation (Wiz Blog).