How severe is CVE-2023-41833?

CVE-2023-41833 has a CVSS 3.x base score of 7.5, 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 high.

Is CVE-2023-41833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-41833?

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-2023-41833 have an EU (EUVD) identifier?

Yes. CVE-2023-41833 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46325.

When was CVE-2023-41833 published?

CVE-2023-41833 was published on 2024-09-16 and last updated on 2026-06-17.

CVE-2023-41833

CVE-2023-41833 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-362.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46325
Weakness: CWE-362
Published: 2024-09-16
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-41833?: A race condition in UEFI firmware for some Intel(R) processors may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-41833?: CVE-2023-41833 has a CVSS 3.x base score of 7.5, 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 high.
Is CVE-2023-41833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-41833?: 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-2023-41833 have an EU (EUVD) identifier?: Yes. CVE-2023-41833 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46325.
When was CVE-2023-41833 published?: CVE-2023-41833 was published on 2024-09-16 and last updated on 2026-06-17.

References

Other CWE-362 (Race Condition) vulnerabilities

CVE-2022-27626 — Critical (CVSS 10.0): A vulnerability regarding concurrent execution using shared resource with improper synchronization ('Race Condition')…
CVE-2015-8556 — Critical (CVSS 10.0): Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

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