Vulnerability details
CVE-2026-3502
Actively exploited
TrueConf Client
TrueConf Client Update Integrity Verification Bypass
CVSS 3.1
7.8High
Official 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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (checkpoint) | CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| TrueConf | TrueConf Client | TrueConf Client versions 8.1.0 through 8.5.2 | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2026-03-30
- Last updated
- 2026-04-03
- State
- Published
- Assigner (CNA)
- checkpoint
- Kolun priority
- 75 · High
CISA KEV catalog
- Date added
- 2026-04-02
- Due date
- 2026-04-16
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
5.84%
Probability of exploitation in 30 days
93.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-494Download of Code Without Integrity Check.