SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-20458

In Modem, there is a possible memory corruption due to a missing bounds check.

HIGH 7.5EPSS 0.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Modem, there is a possible memory corruption 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 not needed for exploitation. Patch ID: MOLY01402160; Issue ID: MSV-7298.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Weakness
CWE-787
Source
security@mediatek.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.