CVE-2026-20433

HighCVSS 8.8/10Last modified Nov 2, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
MediaTek, Inc.MediaTek chipsetMT2735; MT2737; MT6813; MT6833; MT6833P; MT6835; MT6835T; MT6853; MT6853T; MT6855; MT6855T; MT6873; MT6875; MT6875T; MT6877; MT6877T; MT6877TT; MT6878; MT6878M; MT6879

References

Timeline

Published
Apr 7, 2026
Last modified
Nov 2, 2026
NVD status
Modified

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CVE-2026-20433: High severity, CVSS 8.8 | Vulnix