CVE-2026-15430 (GCVE-0-2026-15430)
Vulnerability from cvelistv5 – Published: 2026-08-03 14:45 – Updated: 2026-08-03 19:19
VLAI
EPSS
VEX
Title
CVE-2026-15430
Summary
Improper access control in the IRP_MJ_WRITE command interface in
Wellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to
NT AUTHORITY\SYSTEM, extract credentials from PPL-protected
lsass.exe, and terminate PPL-protected security processes.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 19:19 UTC
CWE
- CWE-284 Improper Access Control
- CWE-269 Improper Privilege Management
- CWE-732 Incorrect Permission Assignment for Critical Resource
- CWE-732 - Incorrect Permission Assignment for Critical Resource
- CWE-269 - Improper Privilege Management
- CWE-284 - Improper Access Control
Assigner
References
1 reference
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-15430",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-03T19:19:12.678460Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-732",
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-269",
"description": "CWE-269 Improper Privilege Management",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T19:19:47.742Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "XIGNCODE3",
"vendor": "Wellbia",
"versions": [
{
"status": "affected",
"version": "2026.6.1.192"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in the IRP_MJ_WRITE command interface in\r\nWellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to\r\nNT AUTHORITY\\SYSTEM, extract credentials from PPL-protected\r\nlsass.exe, and terminate PPL-protected security processes."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-284 Improper Access Control",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-269 Improper Privilege Management",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T14:45:57.350Z",
"orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"shortName": "certcc"
},
"references": [
{
"url": "https://blacksnufkin.github.io/posts/Hunting-the-Hunter-II/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CVE-2026-15430",
"x_generator": {
"engine": "VINCE 3.0.43",
"env": "prod",
"origin": "https://cveawg.mitre.org/api/cve/CVE-2026-15430"
}
}
},
"cveMetadata": {
"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"assignerShortName": "certcc",
"cveId": "CVE-2026-15430",
"datePublished": "2026-08-03T14:45:57.350Z",
"dateReserved": "2026-07-10T17:06:29.447Z",
"dateUpdated": "2026-08-03T19:19:47.742Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-15430",
"date": "2026-10-27",
"epss": "0.00153",
"percentile": "0.04354"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "XIGNCODE3",
"vendor": "Wellbia",
"versions": [
{
"status": "affected",
"version": "2026.6.1.192"
}
]
}
],
"source": "cret@cert.org"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in the IRP_MJ_WRITE command interface in\r\nWellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to\r\nNT AUTHORITY\\SYSTEM, extract credentials from PPL-protected\r\nlsass.exe, and terminate PPL-protected security processes."
},
{
"lang": "es",
"value": "Control de acceso inadecuado en la interfaz de comando IRP_MJ_WRITE en Wellbia XIGNCODE3 xhunter2.sys, versi\u00f3n 2026.6.1.192, permite a un atacante local, sin privilegios, lograr una escalada de privilegios local a NT AUTHORITY\\SYSTEM, extraer credenciales de lsass.exe protegido por PPL, y terminar procesos de seguridad protegidos por PPL."
}
],
"id": "CVE-2026-15430",
"lastModified": "2026-10-23T21:10:00.157",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.5,
"impactScore": 3.6,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-15430",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-03T19:19:12.678460Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-08-03T16:16:28.123",
"references": [
{
"source": "cret@cert.org",
"url": "https://blacksnufkin.github.io/posts/Hunting-the-Hunter-II/"
}
],
"sourceIdentifier": "cret@cert.org",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-269"
},
{
"lang": "en",
"value": "CWE-284"
},
{
"lang": "en",
"value": "CWE-732"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-15430",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-03T19:19:12.678460Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-732",
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-269",
"description": "CWE-269 Improper Privilege Management",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T19:19:43.543Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "XIGNCODE3",
"vendor": "Wellbia",
"versions": [
{
"status": "affected",
"version": "2026.6.1.192"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in the IRP_MJ_WRITE command interface in\r\nWellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to\r\nNT AUTHORITY\\SYSTEM, extract credentials from PPL-protected\r\nlsass.exe, and terminate PPL-protected security processes."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-284 Improper Access Control",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-269 Improper Privilege Management",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T14:45:57.350Z",
"orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"shortName": "certcc"
},
"references": [
{
"url": "https://blacksnufkin.github.io/posts/Hunting-the-Hunter-II/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CVE-2026-15430",
"x_generator": {
"engine": "VINCE 3.0.43",
"env": "prod",
"origin": "https://cveawg.mitre.org/api/cve/CVE-2026-15430"
}
}
},
"cveMetadata": {
"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
"assignerShortName": "certcc",
"cveId": "CVE-2026-15430",
"datePublished": "2026-08-03T14:45:57.350Z",
"dateReserved": "2026-07-10T17:06:29.447Z",
"dateUpdated": "2026-08-03T19:19:47.742Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.