How severe is CVE-2026-47308?

CVE-2026-47308 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-47308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47308?

CVE-2026-47308 affects Samsung Walrus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47308?

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

Does CVE-2026-47308 have an EU (EUVD) identifier?

Yes. CVE-2026-47308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30836.

When was CVE-2026-47308 published?

CVE-2026-47308 was published on 2026-05-19 and last updated on 2026-06-17.

CVE-2026-47308

CVE-2026-47308 is a medium-severity vulnerability in Samsung Walrus 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30836
Weakness: CWE-476
Affected product: Samsung Walrus
Published: 2026-05-19
Last modified: 2026-06-17

Description

NULL pointer dereference vulnerability in Samsung Open Source Walrus allows Pointer Manipulation. This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.

Frequently asked questions

What is CVE-2026-47308?: NULL pointer dereference vulnerability in Samsung Open Source Walrus allows Pointer Manipulation. This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.
How severe is CVE-2026-47308?: CVE-2026-47308 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-47308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47308?: CVE-2026-47308 affects Samsung Walrus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-47308 have an EU (EUVD) identifier?: Yes. CVE-2026-47308 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30836.
When was CVE-2026-47308 published?: CVE-2026-47308 was published on 2026-05-19 and last updated on 2026-06-17.

References

https://github.com/Samsung/walrus/pull/409

Affected products (1)

cpe:2.3:a:samsung:walrus:2026-04-27:*:*:*:*:*:*:*

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