TI-2020-09856 Aliases CVE-2020-12327 GHSA-9w96-qxj6-gff4

Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for…

LOW 20CWE-1188Published 2020-11-12 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.

Why it matters now

EPSS 0.00315 24th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Intel(R) Thunderbolt(TM) DCH drivers for Windows*	before version 72	—	No fix listed	CNA

Intel(R) Thunderbolt(TM) DCH drivers for Windows* Vendor— Affected before version 72 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:intel:thunderbolt_dch_driver::::::windows::*	before 72	Vulnerable	Intel

cpe:2.3:a:intel:thunderbolt_dch_driver:*:*:*:*:*:windows:*:* Versions before 72 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-12327
2026-10-03 Alias added: GHSA-9w96-qxj6-gff4

References

Advisory 1

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00422

TI-2023-08558 Improper access control in Intel Thunderbolt DCH drivers for Windows CVSS 3.1HIGH 8.2
TI-2023-08606 Improper input validation in Intel Thunderbolt DCH drivers for Windows CVSS 3.1HIGH 7.7
TI-2023-11049 Improper access control in Intel Thunderbolt DCH drivers for Windows CVSS 3.1HIGH 7.9
TI-2020-09854 Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows*… CVSS 3.1HIGH 7.8
TI-2020-09853 Protection mechanism failure in some Intel(R) Thunderbolt(TM) DCH drivers for Windows*… CVSS 3.1HIGH 7.8
TI-2023-11050 Uncontrolled search path in Intel Thunderbolt DCH drivers for Windows CVSS 3.1MEDIUM 6.7

See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences