Medium severity · published Aug 3, 2026
CVE-2026-20496
In geniezone, there is a possible out of bounds read due to a missing bounds check
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
In geniezone, there is a possible out of bounds read due to a missing bounds 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: ALPS11036877; Issue ID: MSV-7132.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
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.
MT6983; MT8676; MT8678; MT8755; MT8768; MT8771; +11 more · source: vendor
MF
Mt6983 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8676 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8678 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8755 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8768 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8771 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8775 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8781 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8786 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8791t Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8792 Firmware · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20496
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20496
Vendor Advisory
https://www.mediatek.com/product-security-bulletin/August-2026
More from MediaTek chipset
8.8
CVE-2026-20586
In vdec, there is a possible out of bounds write due to a missing bounds check
8.4
CVE-2026-20531
In apu, there is a possible memory corruption due to use after free
8.4
CVE-2026-20524
In apu, there is a possible memory corruption due to improper input validation
8.4
CVE-2026-20523
In neuropilot, there is a possible out of bounds write due to a missing bounds check
8.4
CVE-2026-20522
In neuropilot, there is a possible out of bounds write due to a missing bounds check