What is CVE-2019-10250?

CVE-2019-10250 is a medium-severity vulnerability in Microsoft Windows, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2019-03-28.

How severe is CVE-2019-10250?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Microsoft Windows

CVE-2019-10250

UCWeb UC Browser 7.0.185.1002 on Windows uses HTTP for downloading certain PDF modules, which allows MITM attacks.

Published 2019-03-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Microsoft Windows
Ucweb Uc Browser — versions 7.0.185.1002

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

www.bleepingcomputer.com/news/security/uc-browser-for-android-desktop-exposes-5… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-10250?: CVE-2019-10250 is a medium-severity vulnerability in Microsoft Windows, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2019-03-28.
How severe is CVE-2019-10250?: Medium severity. CVSS v3 base score is 5.9 out of 10.