How severe is CVE-2026-37453?

CVE-2026-37453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-37453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-37453?

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-2026-37453 have an EU (EUVD) identifier?

Yes. CVE-2026-37453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39619.

When was CVE-2026-37453 published?

CVE-2026-37453 was published on 2026-06-25 and last updated on 2026-06-26.

CVE-2026-37453

CVE-2026-37453 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39619
Weakness: CWE-200
Published: 2026-06-25
Last modified: 2026-06-26

Description

Insecure Permissions vulnerability in MSI NBFoundation Service v.2.0.2506.1201 allows a remote attacker to obtain sensitive information via the MSI_SERVICE_2 pipe

Frequently asked questions

What is CVE-2026-37453?: Insecure Permissions vulnerability in MSI NBFoundation Service v.2.0.2506.1201 allows a remote attacker to obtain sensitive information via the MSI_SERVICE_2 pipe
How severe is CVE-2026-37453?: CVE-2026-37453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-37453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-37453?: 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-2026-37453 have an EU (EUVD) identifier?: Yes. CVE-2026-37453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39619.
When was CVE-2026-37453 published?: CVE-2026-37453 was published on 2026-06-25 and last updated on 2026-06-26.

References

EU advisories (EUVD)

https://nvd.nist.gov/vuln/detail/CVE-2026-37453

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