CVE-2026-3502
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment with an admin-level account, but needs a user to act. High risk of data exposure, data tampering.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2026-04-02 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2026-04-16 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Added to CISA KEV
- 2026-04-02
- Exploit probability
- 5.8% · EPSS, next 30 days
- Weakness
- CWE-494
- Record status
- Analyzed
Affected
- Trueconf < 8.5.3.884
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Raw vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
