CVE-2026-20483 (GCVE-0-2026-20483)

Vulnerability from cvelistv5 – Published: 2026-08-03 02:05 – Updated: 2026-08-03 19:41
VLAI
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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
Impacted products
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
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Show details on NVD website

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              "attackVector": "LOCAL",
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              "baseScore": 7.7,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
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              "status": "affected",
              "version": "MT8796"
            },
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              "status": "affected",
              "version": "MT8873"
            },
            {
              "status": "affected",
              "version": "MT8883"
            },
            {
              "status": "affected",
              "version": "MT8893"
            }
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    "dateReserved": "2025-11-03T01:30:59.021Z",
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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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