CVE-2026-20448 (GCVE-0-2026-20448)

Vulnerability from cvelistv5 – Published: 2026-05-04 05:41 – Updated: 2026-05-05 03:56
VLAI?
Summary
In geniezone, there is a possible escalation of privilege due to a missing permission 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: ALPS10708513; Issue ID: MSV-6281.
Severity ?
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-280 - Improper Handling of Insufficient Permissions or Privileges
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT6765
Affected: MT6768
Affected: MT6789
Affected: MT6877
Affected: MT6897
Affected: MT6899
Affected: MT6989
Affected: MT6991
Affected: MT6993
Affected: MT8367
Affected: MT8766
Affected: MT8768
Affected: MT8775
Affected: MT8781
Affected: MT8786
Affected: MT8788E
Affected: MT8791T
Affected: MT8792
Affected: MT8793
Affected: MT8796
Affected: MT8893
Affected: MT8910
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20448\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-04T12:57:17.463881Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-04T12:57:10.995Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"MediaTek, Inc.\", \"product\": \"MediaTek chipset\", \"versions\": [{\"status\": \"affected\", \"version\": \"MT6765\"}, {\"status\": \"affected\", \"version\": \"MT6768\"}, {\"status\": \"affected\", \"version\": \"MT6789\"}, {\"status\": \"affected\", \"version\": \"MT6877\"}, {\"status\": \"affected\", \"version\": \"MT6897\"}, {\"status\": \"affected\", \"version\": \"MT6899\"}, {\"status\": \"affected\", \"version\": \"MT6989\"}, {\"status\": \"affected\", \"version\": \"MT6991\"}, {\"status\": \"affected\", \"version\": \"MT6993\"}, {\"status\": \"affected\", \"version\": \"MT8367\"}, {\"status\": \"affected\", \"version\": \"MT8766\"}, {\"status\": \"affected\", \"version\": \"MT8768\"}, {\"status\": \"affected\", \"version\": \"MT8775\"}, {\"status\": \"affected\", \"version\": \"MT8781\"}, {\"status\": \"affected\", \"version\": \"MT8786\"}, {\"status\": \"affected\", \"version\": \"MT8788E\"}, {\"status\": \"affected\", \"version\": \"MT8791T\"}, {\"status\": \"affected\", \"version\": \"MT8792\"}, {\"status\": \"affected\", \"version\": \"MT8793\"}, {\"status\": \"affected\", \"version\": \"MT8796\"}, {\"status\": \"affected\", \"version\": \"MT8893\"}, {\"status\": \"affected\", \"version\": \"MT8910\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://corp.mediatek.com/product-security-bulletin/May-2026\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In geniezone, there is a possible escalation of privilege due to a missing permission 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: ALPS10708513; Issue ID: MSV-6281.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-280\", \"description\": \"CWE-280 Improper Handling of Insufficient Permissions or Privileges\"}]}], \"providerMetadata\": {\"orgId\": \"ee979b05-11f8-4f25-a7e0-a1fa9c190374\", \"shortName\": \"MediaTek\", \"dateUpdated\": \"2026-05-04T05:41:52.927Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-20448\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-05T03:56:07.381Z\", \"dateReserved\": \"2025-11-03T01:30:59.013Z\", \"assignerOrgId\": \"ee979b05-11f8-4f25-a7e0-a1fa9c190374\", \"datePublished\": \"2026-05-04T05:41:52.927Z\", \"assignerShortName\": \"MediaTek\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.