CVE-2025-47165
Published: 10 June 2025
Summary
CVE-2025-47165 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Office Long Term Servicing Channel. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 22.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-47165 is a use-after-free vulnerability (CWE-416) in Microsoft Office Excel. It is rated 7.8 under CVSS 3.1 with the vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H and permits unauthorized local code execution.
An attacker can trigger the flaw by supplying a malicious Excel document that a user opens locally, resulting in arbitrary code execution with full impact to confidentiality, integrity, and availability on the affected system.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47165 supplies patch information and mitigation guidance.
EPSS remains low, with a current value of 0.0101 and a peak of 0.0105.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17734
Vulnerability details
Use after free in Microsoft Office Excel 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.