Microsoft NetMeeting 2.1 allows one client to read the contents of another client's clipboard via a CTRL-C in the chat box when the box is empty.
https://exchange.xforce.ibmcloud.com/vulnerabilities/2187
http://marc.info/?l=bugtraq&m=92586457816446&w=2
Source: Mitre, NVD
Published: 1999-05-04
Updated: 2026-06-16
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.03787