CVE-2026-6923

May 14, 2026, 6:24 p.m.

3.8
Low

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.

Product(s) Impacted

Vendor Product Versions
Trusted Platform Module
  • Tpmbase
  • *
Elliptic Curve
  • Ecdh
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1300
Improper Protection of Physical Side Channels
The device does not contain sufficient protection mechanisms to prevent physical side channels from exposing sensitive information due to patterns in physically observable phenomena such as variations in power consumption, electromagnetic emissions (EME), or acoustic emissions.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a trusted_platform_module tpmbase / / / / / / / /
a elliptic_curve ecdh / / / / / / / /

CVSS Score

3.8 / 10

CVSS Data - 3.1

  • Attack Vector: PHYSICAL
  • Attack Complexity: HIGH
  • Privileges Required: HIGH
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: NONE
  • CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

    View Vector String

Timeline

Published: May 14, 2026, 5:16 p.m.
Last Modified: May 14, 2026, 6:24 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.