How severe is CVE-2025-41226?

CVE-2025-41226 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-41226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-41226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-41226 have an EU (EUVD) identifier?

Yes. CVE-2025-41226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15831.

When was CVE-2025-41226 published?

CVE-2025-41226 was published on 2025-05-20 and last updated on 2026-06-17.

CVE-2025-41226

CVE-2025-41226 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15831
Weakness: CWE-400
Published: 2025-05-20
Last modified: 2026-06-17

Description

VMware ESXi contains a denial-of-service vulnerability that occurs when performing a guest operation. A malicious actor with guest operation privileges on a VM, who is already authenticated through vCenter Server or ESXi may trigger this issue to create a denial-of-service condition of guest VMs with VMware Tools running and guest operations enabled.

Frequently asked questions

What is CVE-2025-41226?: VMware ESXi contains a denial-of-service vulnerability that occurs when performing a guest operation. A malicious actor with guest operation privileges on a VM, who is already authenticated through vCenter Server or ESXi may trigger this issue to create a denial-of-service condition of guest VMs with VMware Tools running and guest operations enabled.
How severe is CVE-2025-41226?: CVE-2025-41226 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-41226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-41226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-41226 have an EU (EUVD) identifier?: Yes. CVE-2025-41226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15831.
When was CVE-2025-41226 published?: CVE-2025-41226 was published on 2025-05-20 and last updated on 2026-06-17.

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25717

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