CVE-2026-6923

Nuvoton - CWE-1300: Improper Protection of Physical Side Channels

Published May 14, 2026 CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
Description
A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Remediation

Vendor Solution

Upgrade to version 7.2.4.0 or above.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nuvoton
Nuvoton npct7xx
Vendors & Products Nuvoton
Nuvoton npct7xx
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.
Title Nuvoton - CWE-1300: Improper Protection of Physical Side Channels
Weaknesses CWE-1300
References
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCD
Published
Updated
May 14, 2026, 6:33 PM
Reserved
Apr 23, 2026, 4:23 PM
Status
Awaiting Analysis
Published
May 14, 2026, 5:16 PM
Modified
Oct 26, 2026, 2:10 PM