MSRXVulnerabilities / CVE-2026-3502
CVE-2026-3502
Published 2026-03-30 · Analyzed
CVE-2026-3502
TrueConf Client Download of Code Without Integrity Check Vulnerability
Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-04-02, with a fix-by date of 2026-04-16. Patch it first.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
7.8 HIGH
CVSS 3.1 · CNA · checkpoint.com
CVSS 3.1 · CNA · checkpoint.com
5.8%
chance of exploitation in the next 30 days (EPSS; higher than 93% of CVEs)
chance of exploitation in the next 30 days (EPSS; higher than 93% of CVEs)
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
Affected products
- trueconf trueconf: < 8.5.3.884
Weakness: CWE-494
3 references (advisories, patches, write-ups)
- https://trueconf.com/blog/update/trueconf-8-5 · Product, Release Notes
- https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/ · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502 · US Government Resource
Sources: NVD, CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.