How severe is CVE-2026-21037?

CVE-2026-21037 has a CVSS 3.x base score of 7.1, 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 none.

Is CVE-2026-21037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21037?

CVE-2026-21037 affects Samsung Members. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21037?

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-2026-21037 have an EU (EUVD) identifier?

Yes. CVE-2026-21037 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34809.

When was CVE-2026-21037 published?

CVE-2026-21037 was published on 2026-06-05 and last updated on 2026-06-30.

CVE-2026-21037

CVE-2026-21037 is a high-severity vulnerability in Samsung Members with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34809
Affected product: Samsung Members
Published: 2026-06-05
Last modified: 2026-06-30

Description

Improper input validation in Samsung Members prior to version 5.8.01.5 allows local attackers to access arbitrary URL and launch arbitrary activity with Samsung Members privilege.

Frequently asked questions

What is CVE-2026-21037?: Improper input validation in Samsung Members prior to version 5.8.01.5 allows local attackers to access arbitrary URL and launch arbitrary activity with Samsung Members privilege.
How severe is CVE-2026-21037?: CVE-2026-21037 has a CVSS 3.x base score of 7.1, 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 none.
Is CVE-2026-21037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21037?: CVE-2026-21037 affects Samsung Members. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21037?: 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-2026-21037 have an EU (EUVD) identifier?: Yes. CVE-2026-21037 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34809.
When was CVE-2026-21037 published?: CVE-2026-21037 was published on 2026-06-05 and last updated on 2026-06-30.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=06

Affected products (1)

cpe:2.3:a:samsung:members:*:*:*:*:*:*:*:*

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