CVE-2026-20544
In meta, there is a possible out of bounds write due to a missing bounds check. This could lead...
In meta, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- 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 meta, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
- Record
CVE-2026-20544- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-92196
In meta, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
- Record
EUVD-2026-92196- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wx8c-gfpx-8wcw
In meta, there is a possible out of bounds write due to a missing bounds check. This could lead...
In meta, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
- Record
GHSA-wx8c-gfpx-8wcw- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
In meta, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11049530 / ALPS11480843; Issue ID: MSV-7935.
- Record
CVE-2026-20544- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- mediatek mt6739 firmware
- mediatek mt6761 firmware
- mediatek mt6765 firmware
- mediatek mt6768 firmware
- mediatek mt6769 firmware
- mediatek mt6781 firmware
- mediatek mt6789 firmware
- mediatek mt6835 firmware
- mediatek mt6853 firmware
- mediatek mt6855 firmware
- mediatek mt6858 firmware
- mediatek mt6877 firmware
Show 48 moreShow less
- mediatek mt6878 firmware
- mediatek mt6879 firmware
- mediatek mt6881 firmware
- mediatek mt6883 firmware
- mediatek mt6885 firmware
- mediatek mt6886 firmware
- mediatek mt6889 firmware
- mediatek mt6893 firmware
- mediatek mt6895 firmware
- mediatek mt6897 firmware
- mediatek mt6899 firmware
- mediatek mt6983 firmware
- mediatek mt6985 firmware
- mediatek mt6989 firmware
- mediatek mt6991 firmware
- mediatek mt6993 firmware
- mediatek mt8126 firmware
- mediatek mt8171 firmware
- mediatek mt8188 firmware
- mediatek mt8189 firmware
- mediatek mt8195 firmware
- mediatek mt8196 firmware
- mediatek mt8367 firmware
- mediatek mt8370 firmware
- mediatek mt8390 firmware
- mediatek mt8391 firmware
- mediatek mt8668 firmware
- mediatek mt8676 firmware
- mediatek mt8678 firmware
- mediatek mt8755 firmware
- mediatek mt8766 firmware
- mediatek mt8768 firmware
- mediatek mt8775 firmware
- mediatek mt8781 firmware
- mediatek mt8786 firmware
- mediatek mt8788 firmware
- mediatek mt8791 firmware
- mediatek mt8792 firmware
- mediatek mt8793 firmware
- mediatek mt8798 firmware
- mediatek mt8799 firmware
- mediatek mt8863 firmware
- mediatek mt8873 firmware
- mediatek mt8875 firmware
- mediatek mt8883 firmware
- mediatek mt8893 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-2026-20544 is a medium vulnerability (CVSS 6.8) in Mediatek Mt6739 Firmware, published October 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 5th percentile. No source names a fixed version.