What is CVE-2023-26591?

CVE-2023-26591 is a low-severity vulnerability in Intel Thunderbolt Dch Driver, classified under CWE-252. CVSS score: 2.0/10. Published 2024-02-14.

How severe is CVE-2023-26591?

Low severity. CVSS v3 base score is 2.0 out of 10.

Vulnerability in Intel Thunderbolt Dch Driver

CVE-2023-26591

Unchecked return value in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an unauthenticated user to potentially enable denial of service via physical access.

Published 2024-02-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (14.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Intel Thunderbolt Dch Driver
Intel(r) Thunderbolt(tm) Dch Drivers For Windows — versions before version 88

Weakness classification (CWE)

CWE-252

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00851.html (Vendor Advisory)

Frequently asked questions

What is CVE-2023-26591?: CVE-2023-26591 is a low-severity vulnerability in Intel Thunderbolt Dch Driver, classified under CWE-252. CVSS score: 2.0/10. Published 2024-02-14.
How severe is CVE-2023-26591?: Low severity. CVSS v3 base score is 2.0 out of 10.