CVE-2025-47167
Published: 10 June 2025
Summary
CVE-2025-47167 is a high-severity Type Confusion (CWE-843) vulnerability in Microsoft Office Long Term Servicing Channel. Its CVSS base score is 8.4 (High).
Operationally, ranked in the top 19.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-47167 is a type confusion vulnerability, tracked as CWE-843, that affects Microsoft Office. The flaw permits an unauthorized attacker to execute arbitrary code on an affected system when the vulnerable component processes incompatible resource types.
An attacker with local access can trigger the issue without requiring user interaction or elevated privileges. Successful exploitation yields full control over confidentiality, integrity, and availability on the target host, consistent with the CVSS 8.4 rating reflecting local attack vector, low complexity, and high impact across all three security properties.
Microsoft has published an advisory and associated updates at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47167 that address the vulnerability. The EPSS score remains low, with a current value of 0.0131 and a peak of 0.0144, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17732
Vulnerability details
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.