CVE-2026-21036
CVE-2026-21036 is a medium-severity vulnerability in Samsung Internet 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-863.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v4: 6.3
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-34808
- Weakness: CWE-863
- Affected product: Samsung Internet
- Published:
- Last modified:
Description
Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information.
Frequently asked questions
- What is CVE-2026-21036?
- Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information.
- How severe is CVE-2026-21036?
- CVE-2026-21036 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-2026-21036 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-2026-21036?
- CVE-2026-21036 affects Samsung Internet. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-21036?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-21036 have an EU (EUVD) identifier?
- Yes. CVE-2026-21036 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34808.
- When was CVE-2026-21036 published?
- CVE-2026-21036 was published on 2026-06-05 and last updated on 2026-06-30.
References
Affected products (1)
- cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*
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