CVE-2026-58829
Full vulnerability record from the local CVENow database.
Description
In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Severity
HIGH
CVSS score
8.4
(v3.1)
Vulnerability status
Received
Source identifier
Published
2026-11-02 20:17:47.940000
Last modified
2026-11-02 21:17:34.553000
View original CVE JSON
{
"id": "CVE-2026-58829",
"sourceIdentifier": "[email protected]",
"published": "2026-11-02T20:17:47.940",
"lastModified": "2026-11-02T21:17:34.553",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Google",
"product": "Android",
"defaultStatus": "unaffected",
"versions": [
{
"version": "Android kernel",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.5,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-02T20:57:07.815417Z",
"id": "CVE-2026-58829",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"references": [
{
"url": "https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae",
"source": "[email protected]"
},
{
"url": "https://android.googlesource.com/kernel/common/+/984713cde654f06871c542c469e3c226c8a79d9b",
"source": "[email protected]"
},
{
"url": "https://source.android.com/docs/security/bulletin/2026/2026-11-01",
"source": "[email protected]"
}
]
}