Vulnerability in Microsoft Windows 10 1809

CVE-2025-64673

Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-64673: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-64673?
CVE-2025-64673 is a high-severity vulnerability in Microsoft Windows 10 1809, classified under Improper Access Control. CVSS score: 7.8/10. Published 2025-12-09.
How severe is CVE-2025-64673?
High severity. CVSS v3 base score is 7.8 out of 10.