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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-8398",
"assignerOrgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
"state": "PUBLISHED",
"assignerShortName": "Kaspersky",
"dateReserved": "2026-05-12T13:20:16.358Z",
"datePublished": "2026-05-15T07:30:29.287Z",
"dateUpdated": "2026-11-11T15:28:05.468Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
"shortName": "Kaspersky",
"dateUpdated": "2026-11-11T15:28:05.468Z"
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-506",
"description": "CWE-506: Embedded Malicious Code",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "AVB Disc Soft",
"product": "DAEMON Tools Lite",
"platforms": [
"Windows"
],
"versions": [
{
"version": "12.5.0.2421",
"versionType": "semver",
"lessThan": "12.6.0.*",
"status": "affected"
}
],
"defaultStatus": "unaffected"
}
],
"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."
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV4_0": {
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"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",
"version": "4.0"
},
"cvssV3_1": {
"version": "3.1",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
}
],
"solutions": [
{
"lang": "en",
"value": "Users of potentially infected application are recommended to uninstall the application, run a full system scan using antivirus software with the latest version of the anti-virus databases, and install the latest version of DAEMON Tools Lite (12.6 or newer) from the official website."
}
],
"timeline": [
{
"time": "2026-05-06T00:00:00.000Z",
"lang": "en",
"value": "Advisory published by vendor"
}
],
"credits": [
{
"lang": "en",
"value": "Igor Kuznetsov (Kaspersky)",
"type": "finder"
},
{
"lang": "en",
"value": "Georgy Kucherin (Kaspersky)",
"type": "finder"
},
{
"lang": "en",
"value": "Leonid Bezvershenko (Kaspersky)",
"type": "finder"
},
{
"lang": "en",
"value": "Anton Kargin (Kaspersky)",
"type": "finder"
}
],
"references": [
{
"url": "https://securelist.com/tr/daemon-tools-backdoor/119654/",
"name": "DAEMON Tools software infected – supply chain attack ongoing since April 8, 2026",
"tags": [
"technical-description",
"third-party-advisory"
]
},
{
"url": "https://blog.daemon-tools.cc/post/security-incident",
"name": "Security Incident Affecting DAEMON Tools Lite: What We Know So Far",
"tags": [
"vendor-advisory"
]
}
]
},
"adp": [
{
"references": [
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8398",
"tags": [
"government-resource"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-15T00:00:00+00:00",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3",
"id": "CVE-2026-8398"
}
}
},
{
"other": {
"type": "kev",
"content": {
"dateAdded": "2026-05-27",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8398"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-28T03:55:20.809Z"
},
"timeline": [
{
"time": "2026-05-27T00:00:00.000Z",
"lang": "en",
"value": "CVE-2026-8398 added to CISA KEV"
}
]
}
]
}
}