CVE-2026-47493 (GCVE-0-2026-47493)
Vulnerability from cvelistv5 – Published: 2026-09-30 15:54 – Updated: 2026-10-01 03:55
VLAI
EPSS
VEX
Summary
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 00:00 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | Virtual GPU Manager |
Affected:
595.71.03(All versions prior to and including vGPU 20.1)
|
|
| NVIDIA | Virtual GPU Manager |
Affected:
580.159.01(All versions prior to and including vGPU 19.5)
|
|
| NVIDIA | Virtual GPU Manager |
Affected:
596.38(All versions prior to and including vGPU 20.1)
|
|
| NVIDIA | Virtual GPU Manager |
Affected:
582.51(All versions prior to and including vGPU 19.5)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-47493",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-01T03:55:58.397Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "595.71.03(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "580.159.01(All versions prior to and including vGPU 19.5)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "596.38(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "582.51(All versions prior to and including vGPU 19.5)"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure."
}
],
"value": "NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "code execution, escalation of privileges,\ndata tampering, denial of service, information disclosure"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T15:54:23.981Z",
"orgId": "9576f279-3576-44b5-a4af-b9a8644b2de6",
"shortName": "nvidia"
},
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47493"
},
{
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47493"
},
{
"url": "https://github.com/NVIDIA/product-security/tree/main/2026/5861"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "NVIDIA PSIRT"
}
}
},
"cveMetadata": {
"assignerOrgId": "9576f279-3576-44b5-a4af-b9a8644b2de6",
"assignerShortName": "nvidia",
"cveId": "CVE-2026-47493",
"datePublished": "2026-09-30T15:54:23.981Z",
"dateReserved": "2026-05-19T19:55:40.488Z",
"dateUpdated": "2026-10-01T03:55:58.397Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-47493",
"date": "2026-10-01",
"epss": "0.00166",
"percentile": "0.05204"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "595.71.03(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "580.159.01(All versions prior to and including vGPU 19.5)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "596.38(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "582.51(All versions prior to and including vGPU 19.5)"
}
]
}
],
"source": "psirt@nvidia.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure."
}
],
"id": "CVE-2026-47493",
"lastModified": "2026-10-01T04:18:05.500",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "psirt@nvidia.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-47493",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-30T16:17:13.753",
"references": [
{
"source": "psirt@nvidia.com",
"url": "https://github.com/NVIDIA/product-security/tree/main/2026/5861"
},
{
"source": "psirt@nvidia.com",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47493"
},
{
"source": "psirt@nvidia.com",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47493"
}
],
"sourceIdentifier": "psirt@nvidia.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-862"
}
],
"source": "psirt@nvidia.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-47493",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T16:32:59.474721Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T17:24:37.334Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "595.71.03(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"XenServer, VMware vSphere, Red Hat Enterprise Linux KVM, Ubuntu(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "580.159.01(All versions prior to and including vGPU 19.5)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 20)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "596.38(All versions prior to and including vGPU 20.1)"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Azure Local, Windows Server(vGPU 19)"
],
"product": "Virtual GPU Manager",
"vendor": "NVIDIA",
"versions": [
{
"status": "affected",
"version": "582.51(All versions prior to and including vGPU 19.5)"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure."
}
],
"value": "NVIDIA vGPU software for Windows and Linux contains a vulnerability in the GPU kernel driver where a guest may access privileged host GPU resources for which it is not authorized. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "code execution, escalation of privileges,\ndata tampering, denial of service, information disclosure"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T15:54:23.981Z",
"orgId": "9576f279-3576-44b5-a4af-b9a8644b2de6",
"shortName": "nvidia"
},
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47493"
},
{
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47493"
},
{
"url": "https://github.com/NVIDIA/product-security/tree/main/2026/5861"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "NVIDIA PSIRT"
}
}
},
"cveMetadata": {
"assignerOrgId": "9576f279-3576-44b5-a4af-b9a8644b2de6",
"assignerShortName": "nvidia",
"cveId": "CVE-2026-47493",
"datePublished": "2026-09-30T15:54:23.981Z",
"dateReserved": "2026-05-19T19:55:40.488Z",
"dateUpdated": "2026-10-01T03:55:58.397Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
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.
Loading…