How severe is CVE-2026-21105?

CVE-2026-21105 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-21105 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-2026-21105?

CVE-2026-21105 affects Samsung Collection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21105?

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

When was CVE-2026-21105 published?

CVE-2026-21105 was published on 2026-09-09 and last updated on 2026-09-23.

CVE-2026-21105

CVE-2026-21105 is a medium-severity vulnerability in Samsung Collection with a CVSS 3.x base score of 5.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 5.9
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Samsung Collection
Published: 2026-09-09
Last modified: 2026-09-23

Description

Improper access control in Collection prior to version 1.0.1.14 in Android 15 and 2.0.02.7 in Android 16 allows local attackers to access sensitive information.

Frequently asked questions

What is CVE-2026-21105?: Improper access control in Collection prior to version 1.0.1.14 in Android 15 and 2.0.02.7 in Android 16 allows local attackers to access sensitive information.
How severe is CVE-2026-21105?: CVE-2026-21105 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-21105 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-2026-21105?: CVE-2026-21105 affects Samsung Collection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21105?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-21105 published?: CVE-2026-21105 was published on 2026-09-09 and last updated on 2026-09-23.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=09

Affected products (1)

cpe:2.3:a:samsung:collection:*:*:*:*:*:*:*:*

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