CVE-2026-66086
CRITICAL
CVSS 9.8
Published: 2026-10-12
Modified: 2026-10-12
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Description
In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.
Quick Facts
| CVE ID | CVE-2026-66086 |
| CVSS Score | 9.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-12 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |