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": [
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          "product": "Android",
          "vendor": "Google",
          "versions": [
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              "version": "15"
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              "version": "14"
            }
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      ],
      "source": "security@android.com"
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  "configurations": [
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              "vulnerable": true
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              "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E",
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              "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED",
              "vulnerable": true
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              "criteria": "cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*",
              "matchCriteriaId": "9123E1DD-8607-427B-82B9-6E44B96C90F1",
              "vulnerable": true
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              "criteria": "cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "E3D15FD9-304E-4270-81C7-C8D9024D457D",
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          "negate": false,
          "operator": "OR"
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  ],
  "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": [
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        "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"
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    "ssvcV203": [
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        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
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            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-10T03:57:32.503941Z",
          "version": "2.0.3"
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  },
  "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": [
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      "description": [
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          "lang": "en",
          "value": "CWE-122"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
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}
Enrichment data
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