CVE-2025-32718
Published: 10 June 2025
Summary
CVE-2025-32718 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows 10 1507. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 20.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-32718 is an integer overflow or wraparound vulnerability, tracked under CWEs 122 and 190, that affects the Windows SMB component. The flaw carries a CVSS 3.1 score of 7.8 and permits an authorized local attacker to escalate privileges on the affected system.
An attacker who already possesses a local account with limited privileges can trigger the flaw without user interaction to obtain full control over confidentiality, integrity, and availability on the host. Exploitation occurs entirely locally and does not require network access or elevated rights at the outset.
Microsoft has published an advisory for the issue at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32718. The associated EPSS score remains low and unchanged at a peak of 0.0128, indicating no material increase in observed exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17787
Vulnerability details
Integer overflow or wraparound in Windows SMB allows an authorized attacker to elevate privileges 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.