CVE-2026-20495 (GCVE-0-2026-20495)
Vulnerability from cvelistv5 – Published: 2026-08-03 02:06 – Updated: 2026-08-03 02:06
VLAI
EPSS
VEX
Summary
In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.
Severity
No CVSS data available.
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT7902
Affected: MT7920 Affected: MT7921 Affected: MT7922 Affected: MT7925 Affected: MT7927 |
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"version": "MT7922"
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{
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{
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],
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],
"problemTypes": [
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"descriptions": [
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"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
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],
"providerMetadata": {
"dateUpdated": "2026-08-03T02:06:03.350Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
},
"references": [
{
"url": "https://www.mediatek.com/product-security-bulletin/August-2026"
}
],
"x_generator": {
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"cveMetadata": {
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"assignerShortName": "MediaTek",
"cveId": "CVE-2026-20495",
"datePublished": "2026-08-03T02:06:03.350Z",
"dateReserved": "2025-11-03T01:30:59.026Z",
"dateUpdated": "2026-08-03T02:06:03.350Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-20495\",\"sourceIdentifier\":\"security@mediatek.com\",\"published\":\"2026-08-03T03:16:44.663\",\"lastModified\":\"2026-08-03T03:16:44.663\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.\"}],\"affected\":[{\"source\":\"security@mediatek.com\",\"affectedData\":[{\"vendor\":\"MediaTek, Inc.\",\"product\":\"MediaTek chipset\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"MT7902\",\"status\":\"affected\"},{\"version\":\"MT7920\",\"status\":\"affected\"},{\"version\":\"MT7921\",\"status\":\"affected\"},{\"version\":\"MT7922\",\"status\":\"affected\"},{\"version\":\"MT7925\",\"status\":\"affected\"},{\"version\":\"MT7927\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"security@mediatek.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://www.mediatek.com/product-security-bulletin/August-2026\",\"source\":\"security@mediatek.com\"}]}}"
}
}
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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.
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