High severity · published Aug 3, 2026
CVE-2026-20495
In Bluetooth driver, there is a possible permission bypass due to a missing permission check
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT7902; MT7920; MT7921; MT7922; MT7925; MT7927 · source: vendor
MF
Mt7902 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7920 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7921 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7922 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7925 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7927 Firmware · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20495
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20495
Vendor Advisory
https://www.mediatek.com/product-security-bulletin/August-2026
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