Medium severity · published Oct 5, 2026
CVE-2026-20543
In Modem, there is a possible information disclosure due to a logic error
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
In Modem, there is a possible information disclosure due to a logic error. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01645293; Issue ID: MSV-6761.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT2716; MT2735; MT2737; MT6739; MT6761; MT6762; +34 more · source: vendor
MF
Mt2716 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt2735 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt2737 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6739 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6761 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6762 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6763 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6765 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6767 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6768 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt6769 Firmware · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20543
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20543
www.mediatek.com
https://www.mediatek.com/product-security-bulletin/October-2026
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