CVE-2026-20458

highCVSS 7.5covered by 1 sourcefirst seen 2026-07-01

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.

⚡ Watch CVE-2026-20458

Get an email if CVE-2026-20458 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-20458: In Modem, there is a possible memory corruption due to a missing bounds check. This could lead…nvd · 2026-07-01

External references

NVD record for CVE-2026-20458

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-20458 status](https://www.csirts.com/badge/CVE-2026-20458)](https://www.csirts.com/cve/CVE-2026-20458)