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P4
CVE-2026-53996: NetBSD 0 through 11
CVE-2026-53996. CVSS 3.1 base score 7.0 (HIGH, Vendor/CNA). EPSS 0.00128 (percentile 0.02241), scored 22-Oct-2026.
Affected technology
NetBSD · 0 through 11
The NetBSD Foundation
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
Unprivileged local attackers can invoke the HDAUDIO_FGRP_SETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Vendor/CNA’s CVSS 4.0 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-862
- CCR priority
- 28.0 /100 (P4)
- CVSS 3.1
- 7.0 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00128 · percentile 0.02241 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-53996.html