CVE-2026-3502
HIGH CISA KEV EPSS 92.1%
Published Mar 30, 20263mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
Published Mar 30, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Apr 2, 2026 3mo ago
KEV Due Apr 16, 2026 77d overdue
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L Attack Vector Adjacent
Attack Complexity Low
Privileges Required High
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability Low
Threat Intelligence
CISA Known Exploited Overdue 77d
- Added
- Apr 2, 2026
- Due
- Apr 16, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS Exploit Probability
92.1% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available
Weaknesses 1
CWE-494
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| trueconf | trueconf | * | <8.5.3.884 |
References 3
- research.checkpoint.com https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/
- trueconf.com https://trueconf.com/blog/update/trueconf-8-5
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.