CVE-2026-3502

7.8 highKEVEPSS 5.8%

High (7.8) in TrueConf Client. In CISA KEV since 2026-04-02. EPSS 5.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

EPSS: 5.8% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2026-04-02, due 2026-04-16
CWE: CWE-494
Published: 2026-03-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trueconf:trueconf

References

https://trueconf.com/blog/update/trueconf-8-5
https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502

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