How severe is CVE-2023-27308?

CVE-2023-27308 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-27308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27308?

CVE-2023-27308 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27308?

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

Does CVE-2023-27308 have an EU (EUVD) identifier?

Yes. CVE-2023-27308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31085.

When was CVE-2023-27308 published?

CVE-2023-27308 was published on 2024-02-14 and last updated on 2026-06-17.

CVE-2023-27308

CVE-2023-27308 is a medium-severity vulnerability in Intel Thunderbolt Dch Driver with a CVSS 3.x base score of 4.6. 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-92.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-31085
Weakness: CWE-92
Affected product: Intel Thunderbolt Dch Driver
Published: 2024-02-14
Last modified: 2026-06-17

Description

Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-27308?: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-27308?: CVE-2023-27308 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-27308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27308?: CVE-2023-27308 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-27308 have an EU (EUVD) identifier?: Yes. CVE-2023-27308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31085.
When was CVE-2023-27308 published?: CVE-2023-27308 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:*:*

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