How severe is CVE-2023-38575?

CVE-2023-38575 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-38575 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-38575?

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

Does CVE-2023-38575 have an EU (EUVD) identifier?

Yes. CVE-2023-38575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42374.

When was CVE-2023-38575 published?

CVE-2023-38575 was published on 2024-03-14 and last updated on 2026-06-17.

CVE-2023-38575

CVE-2023-38575 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-1303.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-42374
Weakness: CWE-1303
Published: 2024-03-14
Last modified: 2026-06-17

Description

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2023-38575?: Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
How severe is CVE-2023-38575?: CVE-2023-38575 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-38575 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-38575?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-38575 have an EU (EUVD) identifier?: Yes. CVE-2023-38575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42374.
When was CVE-2023-38575 published?: CVE-2023-38575 was published on 2024-03-14 and last updated on 2026-06-17.

References

Other CWE-1303 vulnerabilities

CVE-2023-40540 — Medium (CVSS 4.1): Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user…

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