How severe is CVE-2023-42772?

CVE-2023-42772 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42772 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42772?

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-2023-42772 have an EU (EUVD) identifier?

Yes. CVE-2023-42772 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47204.

When was CVE-2023-42772 published?

CVE-2023-42772 was published on 2024-09-16 and last updated on 2026-06-17.

CVE-2023-42772

CVE-2023-42772 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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-822.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v4: 8.7
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47204
Weakness: CWE-822
Published: 2024-09-16
Last modified: 2026-06-17

Description

Untrusted pointer dereference in UEFI firmware for some Intel(R) reference processors may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-42772?: Untrusted pointer dereference in UEFI firmware for some Intel(R) reference processors may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-42772?: CVE-2023-42772 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42772 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-42772?: 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-2023-42772 have an EU (EUVD) identifier?: Yes. CVE-2023-42772 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47204.
When was CVE-2023-42772 published?: CVE-2023-42772 was published on 2024-09-16 and last updated on 2026-06-17.

References

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