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CVE-2026-3502

TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.

Scores

7.8
CVSS 7.8 out of 10, high severity.
0.3%
EPSS 0.3% chance of exploitation in the next 30 days.

The facts

Published
30 March 2026
Last changed
17 June 2026
NVD status
Analyzed
Severity
High, CVSS 7.8 out of 10 (version 3.1)
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Weakness
Affects
  • trueconf trueconf
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 2 April 2026.
EPSS
0.3% chance of exploitation activity in the next 30 days (percentile 24).

Is there a Securelyn advisory?

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References