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CVE-2026-20480

In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960023 (Note: For MT6880, MT6890, MT6980D, MT6988, MT6990) / AUTO00851189 (Note: For MT2735, MT3737); Issue ID: MSV-7586.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c3cc1d1644455f883a4eccbeeb2049de66f505f90c7c3d4abb114668224932dd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"MediaTek chipset","vendor":"MediaTek, Inc.","versions":[{"status":"affected","version":"MT2735"},{"status":"affected","version":"MT2737"},{"status":"affected","version":"MT6880"},{"status":"affected","version":"MT6890"},{"status":"affected","version":"MT6980D"},{"status":"affected","version":"MT6988"},{"status":"affected","version":"MT6990"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:222f0f577e40b43a939811442290e3fc557974583bc729d344839f7e846750e0 · sha256:bbe9307be991d3ee… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:222f0f577e40b43a939811442290e3fc557974583bc729d344839f7e846750e0 · sha256:bbe9307be991d3ee… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:222f0f577e40b43a939811442290e3fc557974583bc729d344839f7e846750e0 · sha256:bbe9307be991d3ee… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.mediatek.com/product-security-bulletin/August-2026"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:222f0f577e40b43a939811442290e3fc557974583bc729d344839f7e846750e0 · sha256:bbe9307be991d3ee… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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