CVE-2026-20433

HIGH EPSS 26.0%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
26.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 124

VendorProductVersionRange
mediatekmt2735_firmware*any
mediatekmt2735*any
mediatekmt2737_firmware*any
mediatekmt2737*any
mediatekmt6813_firmware*any
mediatekmt6813*any
mediatekmt6833_firmware*any
mediatekmt6833*any
mediatekmt6833p_firmware*any
mediatekmt6833p*any
mediatekmt6835_firmware*any
mediatekmt6835*any
mediatekmt6835t_firmware*any
mediatekmt6835t*any
mediatekmt6853_firmware*any
mediatekmt6853*any
mediatekmt6853t_firmware*any
mediatekmt6853t*any
mediatekmt6855_firmware*any
mediatekmt6855*any
mediatekmt6855t_firmware*any
mediatekmt6855t*any
mediatekmt6873_firmware*any
mediatekmt6873*any
mediatekmt6875_firmware*any
mediatekmt6875*any
mediatekmt6875t_firmware*any
mediatekmt6875t*any
mediatekmt6877_firmware*any
mediatekmt6877*any
mediatekmt6877t_firmware*any
mediatekmt6877t*any
mediatekmt6877tt_firmware*any
mediatekmt6877tt*any
mediatekmt6878_firmware*any
mediatekmt6878*any
mediatekmt6878m_firmware*any
mediatekmt6878m*any
mediatekmt6879_firmware*any
mediatekmt6879*any
mediatekmt6880_firmware*any
mediatekmt6880*any
mediatekmt6883_firmware*any
mediatekmt6883*any
mediatekmt6885_firmware*any
mediatekmt6885*any
mediatekmt6886_firmware*any
mediatekmt6886*any
mediatekmt6889_firmware*any
mediatekmt6889*any
mediatekmt6890_firmware*any
mediatekmt6890*any
mediatekmt6891_firmware*any
mediatekmt6891*any
mediatekmt6893_firmware*any
mediatekmt6893*any
mediatekmt6895_firmware*any
mediatekmt6895*any
mediatekmt6895tt_firmware*any
mediatekmt6895tt*any
mediatekmt6896_firmware*any
mediatekmt6896*any
mediatekmt6897_firmware*any
mediatekmt6897*any
mediatekmt6899_firmware*any
mediatekmt6899*any
mediatekmt6980_firmware*any
mediatekmt6980*any
mediatekmt6980d_firmware*any
mediatekmt6980d*any
mediatekmt6983_firmware*any
mediatekmt6983*any
mediatekmt6983t_firmware*any
mediatekmt6983t*any
mediatekmt6985_firmware*any
mediatekmt6985*any
mediatekmt6985t_firmware*any
mediatekmt6985t*any
mediatekmt6989_firmware*any
mediatekmt6989*any
mediatekmt6989t_firmware*any
mediatekmt6989t*any
mediatekmt6990_firmware*any
mediatekmt6990*any
mediatekmt6991_firmware*any
mediatekmt6991*any
mediatekmt8668_firmware*any
mediatekmt8668*any
mediatekmt8673_firmware*any
mediatekmt8673*any
mediatekmt8675_firmware*any
mediatekmt8675*any
mediatekmt8676_firmware*any
mediatekmt8676*any
mediatekmt8678_firmware*any
mediatekmt8678*any
mediatekmt8755_firmware*any
mediatekmt8755*any
mediatekmt8771_firmware*any
mediatekmt8771*any
mediatekmt8775_firmware*any
mediatekmt8775*any
mediatekmt8791_firmware*any
mediatekmt8791*any
mediatekmt8791t_firmware*any
mediatekmt8791t*any
mediatekmt8792_firmware*any
mediatekmt8792*any
mediatekmt8793_firmware*any
mediatekmt8793*any
mediatekmt8795t_firmware*any
mediatekmt8795t*any
mediatekmt8797_firmware*any
mediatekmt8797*any
mediatekmt8798_firmware*any
mediatekmt8798*any
mediatekmt8863_firmware*any
mediatekmt8863*any
mediatekmt8873_firmware*any
mediatekmt8873*any
mediatekmt8883_firmware*any
mediatekmt8883*any
mediatekmt8893_firmware*any
mediatekmt8893*any

References 1

  • corp.mediatek.com https://corp.mediatek.com/product-security-bulletin/April-2026
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.