What is CVE-2023-43758?

CVE-2023-43758 is a high-severity vulnerability in Intel(r) Processors, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2025-02-12.

How severe is CVE-2023-43758?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2023-43758 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Intel(r) Processors

CVE-2023-43758

Improper input validation in UEFI firmware for some Intel(R) processors may allow a privileged user to potentially enable escalation of privilege via local access.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

N/a Intel(r) Processors — versions See references

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

w4zu/Debian_

References

Frequently asked questions

What is CVE-2023-43758?: CVE-2023-43758 is a high-severity vulnerability in Intel(r) Processors, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2025-02-12.
How severe is CVE-2023-43758?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2023-43758 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.