CVE-2025-66366

Unrated

Published 2026-11-05 · last changed 2026-11-05

The fix

We hold no Microsoft remediation data for CVE-2025-66366, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash

Sources

NVD record for CVE-2025-66366