Buffer overflow in Microsoft Windows 10 1507

CVE-2025-21414

Windows Core Messaging Elevation of Privileges Vulnerability

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% 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-2025-21414: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21414?
CVE-2025-21414 is a high-severity vulnerability in Microsoft Windows 10 1507, classified under Heap-based Buffer Overflow. CVSS score: 7.0/10. Published 2025-02-11.
How severe is CVE-2025-21414?
High severity. CVSS v3 base score is 7.0 out of 10.