cve-2026-45531
HIGH CVSS 7.8 fkie_nvd
Description
In read_boot_region of fsck.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Timeline
- Published
- unknown
- Last Modified
- unknown
CVSS Details
- Attack Vector
- LOCAL
- Attack Complexity
- LOW
- Privileges Required
- LOW
Affected Products
- google android
Weaknesses (CWE)
CVSS metrics
| Version | Base | Severity | Vector | Exploitability | Impact | Source |
|---|---|---|---|---|---|---|
| 3.1 | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
CPE configurations
OR
| CPE | Version range | Vulnerable |
|---|---|---|
cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* |
— | yes |
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* |
— | yes |
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:* |
— | yes |
cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:* |
— | yes |
cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:* |
— | yes |
NVD metadata
- NVD status
- Analyzed
- Source identifier
security@android.com
References
Linked Vulnerabilities
No linked vulnerabilities found.
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Android",
"vendor": "Google",
"versions": [
{
"status": "affected",
"version": "17"
},
{
"status": "affected",
"version": "16-qpr2"
},
{
"status": "affected",
"version": "16"
},
{
"status": "affected",
"version": "15"
},
{
"status": "affected",
"version": "14"
}
]
}
],
"source": "security@android.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*",
"matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*",
"matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*",
"matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*",
"matchCriteriaId": "9123E1DD-8607-427B-82B9-6E44B96C90F1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*",
"matchCriteriaId": "E3D15FD9-304E-4270-81C7-C8D9024D457D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In read_boot_region of fsck.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."
}
],
"id": "CVE-2026-45531",
"lastModified": "2026-09-23T19:34:45.327",
"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-45531",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-10T03:57:32.503941Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-08T19:17:58.107",
"references": [
{
"source": "security@android.com",
"tags": [
"Vendor Advisory"
],
"url": "https://source.android.com/docs/security/bulletin/2026/2026-09-01"
}
],
"sourceIdentifier": "security@android.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-122"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
Enrichment data
Aggregated bundle (all enrichments)