Medium severity · published Aug 3, 2026
CVE-2026-20470
In Telephony, there is a possible information disclosure due to a missing permission check
6.2
CVSS
0.2%
EPSS
No
On KEV
Description
In Telephony, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11086431; Issue ID: MSV-8189.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT6739; MT6761; MT6765; MT6768; MT6781; MT6789; +34 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20470
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20470
www.mediatek.com
https://www.mediatek.com/product-security-bulletin/August-2026
More from MediaTek chipset
9.8
CVE-2026-20418
In Thread, there is a possible out of bounds write due to a missing bounds check
9.3
CVE-2026-20407
In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check
8.8
CVE-2026-20586
In vdec, there is a possible out of bounds write due to a missing bounds check
8.8
CVE-2026-20433
In Modem, there is a possible out of bounds write due to a missing bounds check
8.8
CVE-2026-20430
In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check