Out-of-bounds read in MediaTek chipset
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
In geniezone, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10867524 / ALPS10876355; Issue ID: MSV-6674.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MediaTek | MediaTek chipset | MT6991; MT8755; MT8768; MT8771; MT8775; MT8781; MT8791T; MT8792; MT8793; MT8796; MT8797; MT8798; MT8799; MT8873; MT8883; MT8893; MT8910 | — | No fix listed | CNA |
- MediaTek chipset VendorMediaTek Affected MT6991; MT8755; MT8768; MT8771; MT8775; MT8781; MT8791T; MT8792; MT8793; MT8796; MT8797; MT8798; MT8799; MT8873; MT8883; MT8893; MT8910 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20518
- 2026-10-03 Alias added: GHSA-vh6w-xprq-6w4p
- 2026-11-02 CVSS score changed · CISA ADP
References
More MediaTek vulnerabilities
- TI-2020-00067 Out-of-bounds write in Android KEVCVSS 3.1HIGH 7.8
- TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
- TI-2025-14725 Integer overflow in MediaTek MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6886… CVSS 3.1MEDIUM 6.5
- TI-2024-13114 Memory corruption in MediaTek MT2735, MT2737, MT6833, MT6835, MT6835T, MT6853, MT6855… CVSS 3.1CRITICAL 9.8
- TI-2022-14283 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
- TI-2021-11684 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-20518 · CVE Program
- CVE-2026-20518 · NVD
- FIRST EPSS
- GHSA-vh6w-xprq-6w4p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences