Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-20466

In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: AUTO00845351 (Note: For MT2737) / ALPS11072643 (Note: For MT6880, MT6890, MT6990); Issue ID: MSV-6929.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:82abdf26e565e1962a37db370d088ae0b9ef84063383df21de567a9cbaa26f58
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":"MT2737"},{"status":"affected","version":"MT6880"},{"status":"affected","version":"MT6890"},{"status":"affected","version":"MT6990"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:787fb8fa937f666fa358293def3f631c88b9b42b93638fe05299043d194fe0a1 · sha256:40baf397f47dc1f0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"PHYSICAL","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:787fb8fa937f666fa358293def3f631c88b9b42b93638fe05299043d194fe0a1 · sha256:40baf397f47dc1f0… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:787fb8fa937f666fa358293def3f631c88b9b42b93638fe05299043d194fe0a1 · sha256:40baf397f47dc1f0… · /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:v2:787fb8fa937f666fa358293def3f631c88b9b42b93638fe05299043d194fe0a1 · sha256:40baf397f47dc1f0… · /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.

← Back to CVE Explorer