CVE-2026-76788: zephyr 3.3.0 through 4.4.2

CVE-2026-76788. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA).

Affected technology

zephyr · 3.3.0 through 4.4.2
zephyrproject

Component: Not specified by the source
Function: cp_decode_response
File: subsys/mgmt/osdp/src/osdp_cp.c

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

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 20-Oct-2026 01:47 UTC

CWE: CWE-787
CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-20 01:44:01.123206+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-76788.html