How severe is CVE-2023-49141?

CVE-2023-49141 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-49141?

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-2023-49141 have an EU (EUVD) identifier?

Yes. CVE-2023-49141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53148.

When was CVE-2023-49141 published?

CVE-2023-49141 was published on 2024-08-14 and last updated on 2026-06-17.

CVE-2023-49141

CVE-2023-49141 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-1189.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 7.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53148
Weakness: CWE-1189
Published: 2024-08-14
Last modified: 2026-06-17

Description

Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-49141?: Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2023-49141?: CVE-2023-49141 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-49141?: 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-2023-49141 have an EU (EUVD) identifier?: Yes. CVE-2023-49141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53148.
When was CVE-2023-49141 published?: CVE-2023-49141 was published on 2024-08-14 and last updated on 2026-06-17.

References

Other CWE-1189 vulnerabilities

CVE-2023-42667 — High (CVSS 7.8): Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to…
CVE-2023-31325 — High (CVSS 7.2): Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the…
CVE-2025-54518 — High (CVSS 7.0): Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker…
CVE-2024-36332 — Medium (CVSS 6.8): Improper isolation of GPU HW register space could allow a privileged attacker in malicious Guest Virtual Machine (VM)…
CVE-2025-54514 — Medium (CVSS 4.8): Improper isolation of shared resources on a system on a chip by a malicious local attacker with high privileges could…

Browse all CWE-1189 vulnerabilities →