Local information disclosure via missing permission check
Published Sep 7, 2026 · Updated Sep 7, 2026
Information disclosure in MediaTek chipset Audio HAL allows local users with System privilege to read protected information. The Audio HAL omits a permission check before returning protected data, but MediaTek has not disclosed the affected interface or data. Exploitation requires prior System privilege on an affected device and no user interaction; the reported consequence is local disclosure only.
Summary
What happened
Information disclosure in MediaTek chipset Audio HAL allows local users with System privilege to read protected information. The Audio HAL omits a permission check before returning protected data, but MediaTek has not disclosed the affected interface or data. Exploitation requires prior System privilege on an affected device and no user interaction; the reported consequence is local disclosure only.
The record
- CVE
- CVE-2026-20514
- Published
- Sep 7, 2026
- Updated
- Sep 7, 2026
- Vendor
- MediaTek
- Product
- MediaTek Chipset
- Classifications
- CWE-307
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Sep 7, 2026CVE publishedPublication date reported by the CVE source.
- Sep 7, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=MT2718
- Affected versionversion=MT6739
- Affected versionversion=MT6761
- Affected versionversion=MT6765
- Affected versionversion=MT6768
- Affected versionversion=MT6781
- Affected versionversion=MT6789
- Affected versionversion=MT6833
- Affected versionversion=MT6835
- Affected versionversion=MT6853
- Affected versionversion=MT6855
- Affected versionversion=MT6877
- Affected versionversion=MT6878
- Affected versionversion=MT6879
- Affected versionversion=MT6883
- Affected versionversion=MT6885
- Affected versionversion=MT6886
- Affected versionversion=MT6889
- Affected versionversion=MT6893
- Affected versionversion=MT6895
- Affected versionversion=MT6897
- Affected versionversion=MT6899
- Affected versionversion=MT6983
- Affected versionversion=MT6985
- Affected versionversion=MT6989
- Affected versionversion=MT6991
- Affected versionversion=MT6993
- Affected versionversion=MT8126
- Affected versionversion=MT8168
- Affected versionversion=MT8171
- Affected versionversion=MT8186
- Affected versionversion=MT8188
- Affected versionversion=MT8189
- Affected versionversion=MT8195
- Affected versionversion=MT8196
- Affected versionversion=MT8321
- Affected versionversion=MT8365
- Affected versionversion=MT8367
- Affected versionversion=MT8385
- Affected versionversion=MT8390
- Affected versionversion=MT8391
- Affected versionversion=MT8668
- Affected versionversion=MT8676
- Affected versionversion=MT8678
- Affected versionversion=MT8696
- Affected versionversion=MT8755
- Affected versionversion=MT8766
- Affected versionversion=MT8768
- Affected versionversion=MT8771
- Affected versionversion=MT8775
- Affected versionversion=MT8781
- Affected versionversion=MT8786
- Affected versionversion=MT8788E
- Affected versionversion=MT8791T
- Affected versionversion=MT8792
- Affected versionversion=MT8793
- Affected versionversion=MT8796
- Affected versionversion=MT8797
- Affected versionversion=MT8798
- Affected versionversion=MT8799
- Affected versionversion=MT8873
- Affected versionversion=MT8883
- Affected versionversion=MT8893
- Affected versionversion=MT8910
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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