How severe is CVE-2023-32666?

CVE-2023-32666 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-32666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-32666 have an EU (EUVD) identifier?

Yes. CVE-2023-32666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36909.

When was CVE-2023-32666 published?

CVE-2023-32666 was published on 2024-03-14 and last updated on 2026-06-17.

CVE-2023-32666

CVE-2023-32666 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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-1191.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36909
Weakness: CWE-1191
Published: 2024-03-14
Last modified: 2026-06-17

Description

On-chip debug and test interface with improper access control in some 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-32666?: On-chip debug and test interface with improper access control in some 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-32666?: CVE-2023-32666 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-32666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-32666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-32666 have an EU (EUVD) identifier?: Yes. CVE-2023-32666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36909.
When was CVE-2023-32666 published?: CVE-2023-32666 was published on 2024-03-14 and last updated on 2026-06-17.

References

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