Integer overflow in Microsoft Windows 10 1507

CVE-2025-50166

Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized attacker to disclose information over a network.

Vulnerability class: Integer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (70.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% 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-2025-50166: held from 0.013 to 0.014.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-50166?
CVE-2025-50166 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2025-08-12.
How severe is CVE-2025-50166?
Medium severity. CVSS v3 base score is 6.5 out of 10.