How severe is CVE-2025-15641?

CVE-2025-15641 has a CVSS 4.0 base score of 6.8, rated medium severity.

Is CVE-2025-15641 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-15641?

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

Does CVE-2025-15641 have an EU (EUVD) identifier?

Yes. CVE-2025-15641 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210212.

When was CVE-2025-15641 published?

CVE-2025-15641 was published on 2026-06-17.

CVE-2025-15641

CVE-2025-15641 is a medium-severity vulnerability with a CVSS 4.0 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-782.

Key facts

Severity: Medium (CVSS 4.0 base score 6.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210212
Weakness: CWE-782
Published: 2026-06-17
Last modified: 2026-06-17

Description

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s) * Product Name: Netskope Client * Affected Platform: Windows * Affected Version: All version below R138

Frequently asked questions

What is CVE-2025-15641?: Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all anti-tampering protections for the NSClient.Affected Product(s) and Version(s) * Product Name: Netskope Client * Affected Platform: Windows * Affected Version: All version below R138
How severe is CVE-2025-15641?: CVE-2025-15641 has a CVSS 4.0 base score of 6.8, rated medium severity.
Is CVE-2025-15641 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-15641?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15641 have an EU (EUVD) identifier?: Yes. CVE-2025-15641 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210212.
When was CVE-2025-15641 published?: CVE-2025-15641 was published on 2026-06-17.

References

https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2025-007

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