Live › vulnerability › CVE-2026-20499
A missing bounds check in the modem firmware allows an out-of-bounds write. A phone or device that connects to an attacker-controlled rogue base station can be exploited to escalate privileges remotely, without user interaction.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 03:31 UTC. All times on this page are UTC.
Devices with the affected modem firmware that connect to cellular networks can be exposed if they connect to a rogue base station. The sources do not list the affected devices or modem versions. Teams running fleets of phones or IoT devices with cellular modems should check with their device vendor.
No product ranges from the sources yet.
Unknown from the sources.
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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 not needed for exploitation. Patch ID: MOLY01857954; Issue ID: MSV-8247.
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