Information disclosure in Microsoft Trusted Platform Module (TPM)

Published: 2019-11-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-16863
Exploitation vector Local
Public exploit N/A
Vulnerable software
Trusted Platform Module (TPM)
Hardware solutions / Firmware

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cryptographic issues

EUVDB-ID: #VU22719

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16863

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No


The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists in certain Trusted Platform Module (TPM) chipsets due to weakens key confidentiality protection for a specific algorithm (ECDSA). An authenticated user with physical access can decrypt encrypted data on the target system.


Install updates from vendor's website.

Vulnerable software versions

Trusted Platform Module (TPM): 2.0

External links

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.