How severe is CVE-2025-22840?

CVE-2025-22840 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2025-22840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-22840?

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-2025-22840 have an EU (EUVD) identifier?

Yes. CVE-2025-22840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24419.

When was CVE-2025-22840 published?

CVE-2025-22840 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-22840

CVE-2025-22840 is a high-severity vulnerability with a CVSS 3.x base score of 7.4. 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-1281.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v4: 5.3
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24419
Weakness: CWE-1281
Published: 2025-08-12
Last modified: 2026-06-17

Description

Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access

Frequently asked questions

What is CVE-2025-22840?: Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access
How severe is CVE-2025-22840?: CVE-2025-22840 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-22840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-22840?: 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-2025-22840 have an EU (EUVD) identifier?: Yes. CVE-2025-22840 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24419.
When was CVE-2025-22840 published?: CVE-2025-22840 was published on 2025-08-12 and last updated on 2026-06-17.

References

Other CWE-1281 vulnerabilities

CVE-2023-23583 — High (CVSS 8.8): Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated…
CVE-2025-56301 — High (CVSS 7.5): An issue was discovered in Chipsalliance Rocket-Chip commit f517abbf41abb65cea37421d3559f9739efd00a9 (2025-01-29)…
CVE-2023-46103 — Medium (CVSS 4.7): Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an…
CVE-2024-37020 — Low (CVSS 3.8): Sequence of processor instructions leads to unexpected behavior in the Intel(R) DSA V1.0 for some Intel(R) Xeon(R)…

Browse all CWE-1281 vulnerabilities →