How severe is CVE-2023-26591?

CVE-2023-26591 has a CVSS 3.x base score of 2.0, rated low severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-26591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26591?

CVE-2023-26591 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-26591 have an EU (EUVD) identifier?

Yes. CVE-2023-26591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30386.

When was CVE-2023-26591 published?

CVE-2023-26591 was published on 2024-02-14 and last updated on 2026-06-17.

CVE-2023-26591

CVE-2023-26591 is a low-severity vulnerability in Intel Thunderbolt Dch Driver with a CVSS 3.x base score of 2.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-252.

Key facts

Severity: Low (CVSS 3.x base score 2.0)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-30386
Weakness: CWE-252
Affected product: Intel Thunderbolt Dch Driver
Published: 2024-02-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-26591?: CVE-2023-26591 has a CVSS 3.x base score of 2.0, rated low severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-26591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26591?: CVE-2023-26591 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-26591 have an EU (EUVD) identifier?: Yes. CVE-2023-26591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30386.
When was CVE-2023-26591 published?: CVE-2023-26591 was published on 2024-02-14 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00851.html

Affected products (1)

cpe:2.3:a:intel:thunderbolt_dch_driver:*:*:*:*:*:windows:*:*

More vulnerabilities in Intel Thunderbolt Dch Driver

CVE-2023-22293 — High (CVSS 8.2): Improper access control in the Intel(R) Thunderbolt(TM) DCH drivers for Windows may allow an authenticated user to…
CVE-2023-25777 — High (CVSS 7.9): Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an…
CVE-2020-12325 — High (CVSS 7.8): Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an…
CVE-2020-12324 — High (CVSS 7.8): Protection mechanism failure in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an…
CVE-2023-22342 — High (CVSS 7.7): Improper input validation in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an…
CVE-2023-25779 — Medium (CVSS 6.7): Uncontrolled search path element in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow…

All CVEs affecting Intel Thunderbolt Dch Driver →

Other CWE-252 vulnerabilities

CVE-2025-66565 — Critical (CVSS 9.8): Fiber Utils is a collection of common functions created for Fiber. In versions 2.0.0-rc.3 and below, when the system's…
CVE-2021-38171 — Critical (CVSS 9.8): adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a…
CVE-2021-26955 — Critical (CVSS 9.8): An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because…
CVE-1999-0199 — Critical (CVSS 9.8): manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified tdelete return…
CVE-2019-15900 — Critical (CVSS 9.8): An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without…
CVE-2010-0211 — Critical (CVSS 9.8): The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the…

Browse all CWE-252 vulnerabilities →