Search
Find a vulnerability
Search criteria
2 vulnerabilities found for mt8766r_firmware by mediatek
CVE-2026-20483 (GCVE-0-2026-20483)
Vulnerability from nvd – Published: 2026-08-03 02:05 – Updated: 2026-08-05 03:56
VLAI
EPSS
VEX
Summary
In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 00:00 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT6739
Affected: MT6761 Affected: MT6765 Affected: MT6768 Affected: MT6781 Affected: MT6789 Affected: MT6833 Affected: MT6835 Affected: MT6853 Affected: MT6855 Affected: MT6877 Affected: MT6878 Affected: MT6879 Affected: MT6883 Affected: MT6885 Affected: MT6886 Affected: MT6889 Affected: MT6893 Affected: MT6895 Affected: MT6897 Affected: MT6983 Affected: MT6985 Affected: MT6989 Affected: MT6991 Affected: MT6993 Affected: MT8766 Affected: MT8766R Affected: MT8768 Affected: MT8775 Affected: MT8781 Affected: MT8792 Affected: MT8796 Affected: MT8873 Affected: MT8883 Affected: MT8893 |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-20483",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-04T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T03:56:53.337Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "MediaTek chipset",
"vendor": "MediaTek, Inc.",
"versions": [
{
"status": "affected",
"version": "MT6739"
},
{
"status": "affected",
"version": "MT6761"
},
{
"status": "affected",
"version": "MT6765"
},
{
"status": "affected",
"version": "MT6768"
},
{
"status": "affected",
"version": "MT6781"
},
{
"status": "affected",
"version": "MT6789"
},
{
"status": "affected",
"version": "MT6833"
},
{
"status": "affected",
"version": "MT6835"
},
{
"status": "affected",
"version": "MT6853"
},
{
"status": "affected",
"version": "MT6855"
},
{
"status": "affected",
"version": "MT6877"
},
{
"status": "affected",
"version": "MT6878"
},
{
"status": "affected",
"version": "MT6879"
},
{
"status": "affected",
"version": "MT6883"
},
{
"status": "affected",
"version": "MT6885"
},
{
"status": "affected",
"version": "MT6886"
},
{
"status": "affected",
"version": "MT6889"
},
{
"status": "affected",
"version": "MT6893"
},
{
"status": "affected",
"version": "MT6895"
},
{
"status": "affected",
"version": "MT6897"
},
{
"status": "affected",
"version": "MT6983"
},
{
"status": "affected",
"version": "MT6985"
},
{
"status": "affected",
"version": "MT6989"
},
{
"status": "affected",
"version": "MT6991"
},
{
"status": "affected",
"version": "MT6993"
},
{
"status": "affected",
"version": "MT8766"
},
{
"status": "affected",
"version": "MT8766R"
},
{
"status": "affected",
"version": "MT8768"
},
{
"status": "affected",
"version": "MT8775"
},
{
"status": "affected",
"version": "MT8781"
},
{
"status": "affected",
"version": "MT8792"
},
{
"status": "affected",
"version": "MT8796"
},
{
"status": "affected",
"version": "MT8873"
},
{
"status": "affected",
"version": "MT8883"
},
{
"status": "affected",
"version": "MT8893"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T02:05:45.948Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
},
"references": [
{
"url": "https://www.mediatek.com/product-security-bulletin/August-2026"
}
],
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"assignerShortName": "MediaTek",
"cveId": "CVE-2026-20483",
"datePublished": "2026-08-03T02:05:45.948Z",
"dateReserved": "2025-11-03T01:30:59.021Z",
"dateUpdated": "2026-08-05T03:56:53.337Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-20483 (GCVE-0-2026-20483)
Vulnerability from cvelistv5 – Published: 2026-08-03 02:05 – Updated: 2026-08-05 03:56
VLAI
EPSS
VEX
Summary
In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 00:00 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT6739
Affected: MT6761 Affected: MT6765 Affected: MT6768 Affected: MT6781 Affected: MT6789 Affected: MT6833 Affected: MT6835 Affected: MT6853 Affected: MT6855 Affected: MT6877 Affected: MT6878 Affected: MT6879 Affected: MT6883 Affected: MT6885 Affected: MT6886 Affected: MT6889 Affected: MT6893 Affected: MT6895 Affected: MT6897 Affected: MT6983 Affected: MT6985 Affected: MT6989 Affected: MT6991 Affected: MT6993 Affected: MT8766 Affected: MT8766R Affected: MT8768 Affected: MT8775 Affected: MT8781 Affected: MT8792 Affected: MT8796 Affected: MT8873 Affected: MT8883 Affected: MT8893 |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-20483",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-04T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T03:56:53.337Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "MediaTek chipset",
"vendor": "MediaTek, Inc.",
"versions": [
{
"status": "affected",
"version": "MT6739"
},
{
"status": "affected",
"version": "MT6761"
},
{
"status": "affected",
"version": "MT6765"
},
{
"status": "affected",
"version": "MT6768"
},
{
"status": "affected",
"version": "MT6781"
},
{
"status": "affected",
"version": "MT6789"
},
{
"status": "affected",
"version": "MT6833"
},
{
"status": "affected",
"version": "MT6835"
},
{
"status": "affected",
"version": "MT6853"
},
{
"status": "affected",
"version": "MT6855"
},
{
"status": "affected",
"version": "MT6877"
},
{
"status": "affected",
"version": "MT6878"
},
{
"status": "affected",
"version": "MT6879"
},
{
"status": "affected",
"version": "MT6883"
},
{
"status": "affected",
"version": "MT6885"
},
{
"status": "affected",
"version": "MT6886"
},
{
"status": "affected",
"version": "MT6889"
},
{
"status": "affected",
"version": "MT6893"
},
{
"status": "affected",
"version": "MT6895"
},
{
"status": "affected",
"version": "MT6897"
},
{
"status": "affected",
"version": "MT6983"
},
{
"status": "affected",
"version": "MT6985"
},
{
"status": "affected",
"version": "MT6989"
},
{
"status": "affected",
"version": "MT6991"
},
{
"status": "affected",
"version": "MT6993"
},
{
"status": "affected",
"version": "MT8766"
},
{
"status": "affected",
"version": "MT8766R"
},
{
"status": "affected",
"version": "MT8768"
},
{
"status": "affected",
"version": "MT8775"
},
{
"status": "affected",
"version": "MT8781"
},
{
"status": "affected",
"version": "MT8792"
},
{
"status": "affected",
"version": "MT8796"
},
{
"status": "affected",
"version": "MT8873"
},
{
"status": "affected",
"version": "MT8883"
},
{
"status": "affected",
"version": "MT8893"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-03T02:05:45.948Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
},
"references": [
{
"url": "https://www.mediatek.com/product-security-bulletin/August-2026"
}
],
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"assignerShortName": "MediaTek",
"cveId": "CVE-2026-20483",
"datePublished": "2026-08-03T02:05:45.948Z",
"dateReserved": "2025-11-03T01:30:59.021Z",
"dateUpdated": "2026-08-05T03:56:53.337Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}