CVE-2026-20434

HIGH EPSS 12.3%
Published Mar 2, 20263mo ago · Modified Mar 2, 20263mo ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 2, 2026 3mo ago
Last Modified Mar 2, 2026 3mo 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: MOLY00782946; Issue ID: MSV-4135.

CVSS Details

Base Score
7.5
Exploitability
1.6
Impact
5.9
Vector string
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Adjacent
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
12.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 99

VendorProductVersionRange
mediateklr12a*any
mediateklr13*any
mediateknr15*any
mediateknr16*any
mediateknr17*any
mediatekmt2735*any
mediatekmt2737*any
mediatekmt6739*any
mediatekmt6761*any
mediatekmt6762*any
mediatekmt6762d*any
mediatekmt6762m*any
mediatekmt6763*any
mediatekmt6765*any
mediatekmt6765t*any
mediatekmt6767*any
mediatekmt6768*any
mediatekmt6769*any
mediatekmt6769k*any
mediatekmt6769s*any
mediatekmt6769t*any
mediatekmt6769z*any
mediatekmt6771*any
mediatekmt6779*any
mediatekmt6781*any
mediatekmt6783*any
mediatekmt6785*any
mediatekmt6785t*any
mediatekmt6785u*any
mediatekmt6789*any
mediatekmt6833*any
mediatekmt6833p*any
mediatekmt6835*any
mediatekmt6835t*any
mediatekmt6853*any
mediatekmt6853t*any
mediatekmt6855*any
mediatekmt6855t*any
mediatekmt6873*any
mediatekmt6875*any
mediatekmt6875t*any
mediatekmt6877*any
mediatekmt6877t*any
mediatekmt6877tt*any
mediatekmt6878*any
mediatekmt6878m*any
mediatekmt6879*any
mediatekmt6880*any
mediatekmt6883*any
mediatekmt6885*any
mediatekmt6886*any
mediatekmt6889*any
mediatekmt6890*any
mediatekmt6891*any
mediatekmt6893*any
mediatekmt6895*any
mediatekmt6895tt*any
mediatekmt6896*any
mediatekmt6897*any
mediatekmt6899*any
mediatekmt6980*any
mediatekmt6980d*any
mediatekmt6983*any
mediatekmt6983t*any
mediatekmt6985*any
mediatekmt6985t*any
mediatekmt6989*any
mediatekmt6989t*any
mediatekmt6990*any
mediatekmt6991*any
mediatekmt8666*any
mediatekmt8667*any
mediatekmt8668*any
mediatekmt8673*any
mediatekmt8675*any
mediatekmt8676*any
mediatekmt8678*any
mediatekmt8755*any
mediatekmt8765*any
mediatekmt8766*any
mediatekmt8766r*any
mediatekmt8768*any
mediatekmt8771*any
mediatekmt8781*any
mediatekmt8786*any
mediatekmt8788*any
mediatekmt8788e*any
mediatekmt8789*any
mediatekmt8791*any
mediatekmt8791t*any
mediatekmt8792*any
mediatekmt8793*any
mediatekmt8795t*any
mediatekmt8797*any
mediatekmt8798*any
mediatekmt8863*any
mediatekmt8873*any
mediatekmt8883*any
mediatekmt8893*any

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.