FKIE_CVE-2026-20486
Vulnerability from fkie_nvd - Published: 2026-08-03 03:16 - Updated: 2026-08-19 16:48
Severity
Summary
In imgsensor, there is a possible application crash due to incorrect error handling. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11012302; Issue ID: MSV-7833.
References
| URL | Tags | ||
|---|---|---|---|
| security@mediatek.com | https://www.mediatek.com/product-security-bulletin/August-2026 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mediatek | mt8910_firmware | - | |
| mediatek | mt8910 | - | |
| mediatek | mt2718_firmware | - | |
| mediatek | mt2718 | - | |
| mediatek | mt6878_firmware | - | |
| mediatek | mt6878 | - | |
| mediatek | mt6895_firmware | - | |
| mediatek | mt6895 | - | |
| mediatek | mt6991_firmware | - | |
| mediatek | mt6991 | - | |
| mediatek | mt6993_firmware | - | |
| mediatek | mt6993 | - | |
| mediatek | mt8370_firmware | - | |
| mediatek | mt8370 | - | |
| mediatek | mt8390_firmware | - | |
| mediatek | mt8390 | - | |
| mediatek | mt8395_firmware | - | |
| mediatek | mt8395 | - | |
| mediatek | mt8678_firmware | - | |
| mediatek | mt8678 | - | |
| mediatek | mt8799_firmware | - | |
| mediatek | mt8799 | - |
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"lang": "en",
"value": "In imgsensor, there is a possible application crash due to incorrect error handling. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11012302; Issue ID: MSV-7833."
}
],
"id": "CVE-2026-20486",
"lastModified": "2026-08-19T16:48:57.053",
"metrics": {
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{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
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"ssvcData": {
"id": "CVE-2026-20486",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-05T03:56:56.501651Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-08-03T03:16:43.767",
"references": [
{
"source": "security@mediatek.com",
"tags": [
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],
"url": "https://www.mediatek.com/product-security-bulletin/August-2026"
}
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"sourceIdentifier": "security@mediatek.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-754"
}
],
"source": "security@mediatek.com",
"type": "Secondary"
}
]
}
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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.
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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.
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.
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