CVE-2026-20477 (GCVE-0-2026-20477)

Vulnerability from cvelistv5 – Published: 2026-08-03 02:05 – Updated: 2026-08-03 02:05
VLAI
Summary
In display, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11009963; Issue ID: MSV-7658.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT6991
Affected: MT6993
Affected: MT8188
Affected: MT8189
Affected: MT8668
Affected: MT8676
Affected: MT8678
Affected: MT8781
Affected: MT8799
Affected: MT8910
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        "orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
        "shortName": "MediaTek"
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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.
  • 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.


Detection rules are retrieved from Rulezet.