MinorCritical vulnerability

CVE-2026-20520 (CVSS 7.5)

NVD · officialPublished Oct 5, 2026Risk 23/100EPSS 0.2%

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: MOLY01778988; Issue ID: MSV-8897.

Technical details

CVSS

7.5

AV:Adjacent NetworkAC:HighPR:NoneUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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