CVE-2026-20588
In mtee, there is a possible escalation of privilege due to a missing bounds check. This could...
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
- Record
CVE-2026-20588- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-92197
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
- Record
EUVD-2026-92197- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xxc4-28wg-vmv2
In mtee, there is a possible escalation of privilege due to a missing bounds check. This could...
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
- Record
GHSA-xxc4-28wg-vmv2- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
- Record
CVE-2026-20588- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- mediatek mt2718 firmware
- mediatek mt6768 firmware
- mediatek mt6769 firmware
- mediatek mt6789 firmware
- mediatek mt6833 firmware
- mediatek mt6855 firmware
- mediatek mt6877 firmware
- mediatek mt8186 firmware
- mediatek mt8188 firmware
- mediatek mt8189 firmware
- mediatek mt8195 firmware
- mediatek mt8196 firmware
Show 14 moreShow less
- mediatek mt8367 firmware
- mediatek mt8391 firmware
- mediatek mt8395 firmware
- mediatek mt8668 firmware
- mediatek mt8676 firmware
- mediatek mt8678 firmware
- mediatek mt8696 firmware
- mediatek mt8781 firmware
- mediatek mt8788e firmware
- mediatek mt8792 firmware
- mediatek mt8793 firmware
- mediatek mt8799 firmware
- mediatek mt8910 firmware
- mediatek, inc. mediatek chipset
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-20588 is a medium vulnerability (CVSS 6.7) in Mediatek Mt2718 Firmware, published October 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.