CVE-2026-9771: zephyr 4.0.0 to before 4.4.2

CVE-2026-9771. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00142 (percentile 0.03232), scored 22-Oct-2026.

Affected technology

zephyr · 4.0.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
Function: tables, pointers
File: drivers/flash/flash_util.c

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could gain higher privileges and disrupt service and access information they should not be able to access under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 23-Oct-2026 16:20 UTC

CWE: CWE-822, CWE-862
CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00142 · percentile 0.03232 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-23 16:20:36.797830+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-9771.html