What is CVE-2019-19362?

CVE-2019-19362 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 6.5/10. Published 2019-12-02.

How severe is CVE-2019-19362?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Microsoft Windows

CVE-2019-19362

An issue was discovered in the Chat functionality of the TeamViewer desktop application 14.3.4730 on Windows. (The vendor states that it was later fixed.) Upon login, every communication is saved within Windows main memory. When a user logs out or deletes conversation history (but does not exit the application), this data is not wiped from main memory, and therefore could be read by a local user with the same or greater privileges.

Published 2019-12-02 · last modified 2026-06-17.

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: 0.021 (80.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Microsoft Windows
Teamviewer — versions 14.3.4730

Weakness classification (CWE)

CWE-212 — Improper Removal of Sensitive Information Before Storage or Transfer

References

nestedif.com/teamviewer-vulnerability-improper-session-handling-leading-to-info… (URL Repurposed, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19362?: CVE-2019-19362 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 6.5/10. Published 2019-12-02.
How severe is CVE-2019-19362?: Medium severity. CVSS v3 base score is 6.5 out of 10.