CVE-2026-2637 (GCVE-0-2026-2637)
Vulnerability from cvelistv5 – Published: 2026-03-03 14:04 – Updated: 2026-03-03 14:35
VLAI
EPSS
VEX
Summary
iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd. The daemon exposes an NSConnection service that runs as root without implementing any authentication or authorization checks.
This issue affects iBoysoft NTFS: 8.0.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 14:35 UTC
CWE
- CWE-732 - Incorrect Permission Assignment for Critical Resource
Assigner
Fluid Attacks
CNA
References
2 references
| URL | Tags |
|---|---|
| https://fluidattacks.com/advisories/cuarteto | third-party-advisory |
| https://iboysoft.com/ntfs-for-mac/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| iBoysoft | iBoysoft NTFS |
Affected:
8.0.0
cpe:2.3:a:iboysoft:iboysoft_ntfs:8.0.0:*:macos:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-2637",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-03T14:35:28.831057Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-03T14:35:43.673Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"MacOS"
],
"product": "iBoysoft NTFS",
"vendor": "iBoysoft",
"versions": [
{
"status": "affected",
"version": "8.0.0"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:iboysoft:iboysoft_ntfs:8.0.0:*:macos:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Oscar Uribe"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eiBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon \u003c/span\u003entfshelperd\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe daemon exposes an NSConnection service \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ethat runs as root without implementing any authentication or authorization checks.\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThis issue affects iBoysoft NTFS: 8.0.0.\u003c/p\u003e"
}
],
"value": "iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd.\u00a0The daemon exposes an NSConnection service that runs as root without implementing any authentication or authorization checks.\n\nThis issue affects iBoysoft NTFS: 8.0.0."
}
],
"impacts": [
{
"capecId": "CAPEC-233",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-233 Privilege Escalation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-732",
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-03T14:04:28.459Z",
"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
"shortName": "Fluid Attacks"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://fluidattacks.com/advisories/cuarteto"
},
{
"tags": [
"product"
],
"url": "https://iboysoft.com/ntfs-for-mac/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
"assignerShortName": "Fluid Attacks",
"cveId": "CVE-2026-2637",
"datePublished": "2026-03-03T14:04:28.459Z",
"dateReserved": "2026-02-17T19:10:25.606Z",
"dateUpdated": "2026-03-03T14:35:43.673Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-2637",
"date": "2026-10-20",
"epss": "0.00193",
"percentile": "0.08477"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"platforms": [
"MacOS"
],
"product": "iBoysoft NTFS",
"vendor": "iBoysoft",
"versions": [
{
"status": "affected",
"version": "8.0.0"
}
]
}
],
"source": "help@fluidattacks.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:iboysoft:ntfs_for_mac:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "53C6FBA4-0B4F-4E1B-80B0-D15E5A521C79",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd.\u00a0The daemon exposes an NSConnection service that runs as root without implementing any authentication or authorization checks.\n\nThis issue affects iBoysoft NTFS: 8.0.0."
},
{
"lang": "es",
"value": "iBoysoft NTFS para Mac contiene una vulnerabilidad de escalada de privilegios local en su demonio auxiliar privilegiado ntfshelperd. El demonio expone un servicio NSConnection que se ejecuta como root sin implementar ninguna comprobaci\u00f3n de autenticaci\u00f3n o autorizaci\u00f3n.\n\nEste problema afecta a iBoysoft NTFS: 8.0.0."
}
],
"id": "CVE-2026-2637",
"lastModified": "2026-06-17T10:31:26.640",
"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": "nvd@nist.gov",
"type": "Primary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "help@fluidattacks.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-2637",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-03T14:35:28.831057Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-03T15:16:20.950",
"references": [
{
"source": "help@fluidattacks.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://fluidattacks.com/advisories/cuarteto"
},
{
"source": "help@fluidattacks.com",
"tags": [
"Product"
],
"url": "https://iboysoft.com/ntfs-for-mac/"
}
],
"sourceIdentifier": "help@fluidattacks.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-732"
}
],
"source": "help@fluidattacks.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T07:57:56+00:00",
"cve": "CVE-2026-2637",
"id": "CVE-2026-2637",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2026-2637",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2637.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-2637",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-03T14:35:28.831057Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-03T14:35:40.411Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"MacOS"
],
"product": "iBoysoft NTFS",
"vendor": "iBoysoft",
"versions": [
{
"status": "affected",
"version": "8.0.0"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:iboysoft:iboysoft_ntfs:8.0.0:*:macos:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Oscar Uribe"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eiBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon \u003c/span\u003entfshelperd\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe daemon exposes an NSConnection service \u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ethat runs as root without implementing any authentication or authorization checks.\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThis issue affects iBoysoft NTFS: 8.0.0.\u003c/p\u003e"
}
],
"value": "iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd.\u00a0The daemon exposes an NSConnection service that runs as root without implementing any authentication or authorization checks.\n\nThis issue affects iBoysoft NTFS: 8.0.0."
}
],
"impacts": [
{
"capecId": "CAPEC-233",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-233 Privilege Escalation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-732",
"description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-03T14:04:28.459Z",
"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
"shortName": "Fluid Attacks"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://fluidattacks.com/advisories/cuarteto"
},
{
"tags": [
"product"
],
"url": "https://iboysoft.com/ntfs-for-mac/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
"assignerShortName": "Fluid Attacks",
"cveId": "CVE-2026-2637",
"datePublished": "2026-03-03T14:04:28.459Z",
"dateReserved": "2026-02-17T19:10:25.606Z",
"dateUpdated": "2026-03-03T14:35:43.673Z",
"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.