CVE-2026-20484
In TFA, there is a possible information disclosure due to a missing permission check. This could...
CVE-2026-20484 is a medium vulnerability (CVSS 4.4) in Mediatek Mt6739 Firmware, published August 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.
- Severity
- 4.4 MediumCVSS 3.1, CVE List
- Exploit chance
- 0.16%EPSS, 4th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
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
- None
- Availability
- None
Exploit likelihood
Affected products
- mediatek mt6739 firmware
- mediatek mt6761 firmware
- mediatek mt6765 firmware
- mediatek mt6768 firmware
- mediatek mt6781 firmware
- mediatek mt6789 firmware
- mediatek mt6833 firmware
- mediatek mt6835 firmware
- mediatek mt6853 firmware
- mediatek mt6855 firmware
- mediatek mt6877 firmware
- mediatek mt6878 firmware
Show 28 moreShow less
- mediatek mt6879 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 mt6988 firmware
- mediatek mt6989 firmware
- mediatek mt6991 firmware
- mediatek mt6993 firmware
- mediatek mt8171 firmware
- mediatek mt8188 firmware
- mediatek mt8189 firmware
- mediatek mt8390 firmware
- mediatek mt8391 firmware
- mediatek mt8668 firmware
- mediatek mt8676 firmware
- mediatek mt8678 firmware
- mediatek mt8696 firmware
- mediatek mt8792 firmware
- mediatek mt8793 firmware
- mediatek mt8799 firmware
- mediatek, inc. mediatek chipset
What each source reports
CVE List Score used
In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
- Record
CVE-2026-20484- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
EUVDEUVD-2026-52075
In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
- Record
EUVD-2026-52075- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mhh4-4rgh-x32m
In TFA, there is a possible information disclosure due to a missing permission check. This could...
In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
- Record
GHSA-mhh4-4rgh-x32m- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
NVD
In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
- Record
CVE-2026-20484- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.