CVE-2026-21010

CVE-2026-21010 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 6.6)
• EPSS exploit prediction: 0% (1st percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2026-21864
• Affected product: Samsung Android
• Published: 2026-04-13
• Last modified: 2026-06-17

Description

Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions.

Frequently asked questions

What is CVE-2026-21010?

Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions.

How severe is CVE-2026-21010?

CVE-2026-21010 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21010 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-2026-21010?

CVE-2026-21010 primarily affects Samsung Android. In total, 79 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-21010?

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

Does CVE-2026-21010 have an EU (EUVD) identifier?

Yes. CVE-2026-21010 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21864.

When was CVE-2026-21010 published?

CVE-2026-21010 was published on 2026-04-13 and last updated on 2026-06-17.

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=04

Affected products (79)

• cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-apr-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-aug-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-dec-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-feb-2026-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jan-2026-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jul-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-jun-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2025-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-mar-2026-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2022-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2023-r1:*:*:*:*:*:*
• cpe:2.3:o:samsung:android:14.0:smr-may-2024-r1:*:*:*:*:*:*

More vulnerabilities in Samsung Android

• CVE-2023-21456 — Critical (CVSS 9.0): Path traversal vulnerability in Galaxy Themes Service prior to SMR Mar-2023 Release 1 allows attacker to access…
• CVE-2025-21043 — High (CVSS 8.8): Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute…
• CVE-2025-21042 — High (CVSS 8.8): Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute…
• CVE-2025-20936 — High (CVSS 8.8): Improper access control in HDCP trustlet prior to SMR Apr-2025 Release 1 allows local attackers with shell privilege to…
• CVE-2023-21480 — High (CVSS 8.5): Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch…
• CVE-2023-30692 — High (CVSS 8.5): Improper input validation vulnerability in Evaluator prior to SMR Oct-2023 Release 1 allows local attackers to launch…

All CVEs affecting Samsung Android →