CVE-2025-47164
Published: 10 June 2025
Summary
CVE-2025-47164 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Office Long Term Servicing Channel. Its CVSS base score is 8.4 (High).
Operationally, ranked in the top 23.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-47164 is a use-after-free vulnerability, identified as CWE-416, that affects Microsoft Office. The flaw carries a CVSS 3.1 base score of 8.4 under the vector AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating that local code execution is possible without authentication or user interaction.
An unauthorized attacker with local access can trigger the use-after-free condition to execute arbitrary code on the target system, resulting in full compromise of confidentiality, integrity, and availability on the affected host.
Microsoft has published an advisory for the issue at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47164 that includes details on available patches and mitigation steps. The associated EPSS values remain low, with a current score of 0.0089 and a recorded peak of 0.0121.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17735
Vulnerability details
Use after free 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
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.