{
  "id": "CVE-2026-3502",
  "url": "https://spydr.io/cve/CVE-2026-3502",
  "published": "2026-03-30T19:16:27.053Z",
  "modified": "2026-06-17T10:43:41.010Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L",
  "score_source": "checkpoint.com",
  "epss": 0.00329,
  "epss_percentile": 0.23726,
  "exploited": true,
  "kev": {
    "added": "2026-04-02",
    "due": "2026-04-16",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "TrueConf Client Download of Code Without Integrity Check Vulnerability",
    "notes": "https://trueconf.com/blog/update/trueconf-8-5 ; https://trueconf.com/downloads/windows.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3502"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "TrueConf"
  ],
  "products": [
    "TrueConf Client"
  ],
  "cwes": [
    "CWE-494"
  ],
  "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.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://trueconf.com/blog/update/trueconf-8-5",
      "tags": [
        "Product",
        "Release Notes"
      ]
    },
    {
      "url": "https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3502",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}