How severe is CVE-2025-58150?

CVE-2025-58150 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-58150 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.

What products are affected by CVE-2025-58150?

CVE-2025-58150 affects Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-58150?

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-2025-58150 have an EU (EUVD) identifier?

Yes. CVE-2025-58150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206476.

When was CVE-2025-58150 published?

CVE-2025-58150 was published on 2026-01-28 and last updated on 2026-06-17.

CVE-2025-58150

CVE-2025-58150 is a high-severity vulnerability in Xen with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206476
Weakness: CWE-787
Affected product: Xen
Published: 2026-01-28
Last modified: 2026-06-17

Description

Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.

Frequently asked questions

What is CVE-2025-58150?: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
How severe is CVE-2025-58150?: CVE-2025-58150 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-58150 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.
What products are affected by CVE-2025-58150?: CVE-2025-58150 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-58150?: 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-2025-58150 have an EU (EUVD) identifier?: Yes. CVE-2025-58150 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206476.
When was CVE-2025-58150 published?: CVE-2025-58150 was published on 2026-01-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:x86:*

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