{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-11-04T15:14:50.311","vulnerabilities":[{"cve":{"id":"CVE-2026-8398","sourceIdentifier":"vulnerability@kaspersky.com","published":"2026-05-15T09:16:17.653","lastModified":"2026-10-26T14:10:00.130","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A supply chain attack compromised the official installation packages of DAEMON Tools Lite (Windows versions 12.5.0.2421 through 12.5.0.2434), distributed from the legitimate website daemon-tools.cc between approximately April 8, 2026, and May 5, 2026. Attackers gained unauthorized access to the vendor's (AVB Disc Soft) build or distribution infrastructure and trojanized three binaries: DTHelper.exe, DiscSoftBusServiceLite.exe, and DTShellHlp.exe. These files were digitally signed with the legitimate AVB Disc Soft code-signing certificate, allowing the malicious installers to appear trustworthy and bypass signature-based detection."},{"lang":"es","value":"Un ataque a la cadena de suministro comprometió los paquetes de instalación oficiales de DAEMON Tools Lite (versiones de Windows 12.5.0.2421 a 12.5.0.2434), distribuidos desde el sitio web legítimo daemon-tools.cc entre aproximadamente el 8 de abril de 2026 y el 5 de mayo de 2026. Los atacantes obtuvieron acceso no autorizado a la infraestructura de compilación o distribución del proveedor (AVB Disc Soft) y troyanizaron tres binarios: DTHelper.exe, DiscSoftBusServiceLite.exe y DTShellHlp.exe. Estos archivos fueron firmados digitalmente con el certificado de firma de código legítimo de AVB Disc Soft, lo que permitió que los instaladores maliciosos parecieran confiables y eludieran la detección basada en firmas."}],"affected":[{"source":"vulnerability@kaspersky.com","affectedData":[{"vendor":"AVB Disc Soft","product":"DAEMON Tools Lite","defaultStatus":"unaffected","platforms":["Windows"],"versions":[{"version":"12.5.0.2421","lessThan":"2.6.0.*","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"vulnerability@kaspersky.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":9.3,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"vulnerability@kaspersky.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-15T00:00:00+00:00","id":"CVE-2026-8398","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2026-05-27","cisaActionDue":"2026-05-30","cisaRequiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","cisaVulnerabilityName":"Daemon Tools Lite Embedded Malicious Code Vulnerability","weaknesses":[{"source":"vulnerability@kaspersky.com","type":"Secondary","description":[{"lang":"en","value":"CWE-506"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:disc-soft:daemon_tools:12.5.1:*:*:*:lite:*:*:*","matchCriteriaId":"F291E275-397E-40E4-8ABD-292B16A8C90E"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","matchCriteriaId":"A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}],"references":[{"url":"https://blog.daemon-tools.cc/post/security-incident","source":"vulnerability@kaspersky.com","tags":["Vendor Advisory"]},{"url":"https://securelist.com/tr/daemon-tools-backdoor/119654/","source":"vulnerability@kaspersky.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8398","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}