An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos…
Priority MEDIUM 44CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12855 (October 2018).
Why it matters now
EPSS 0.00831 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | |
| cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:* | 7.1.0 | Vulnerable | |
| cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:* | 7.1.1 | Vulnerable | |
| cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:* | 7.1.2 | Vulnerable | |
| cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | |
| cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable |
- cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Google
- cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·Google
- cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:* Versions 7.1.1 Vulnerable ·Google
- cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:* Versions 7.1.2 Vulnerable ·Google
- cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Google
- cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Google
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-21052
- 2026-10-03 Alias added: GHSA-94j2-cx6v-2wc5
References
More Google Android vulnerabilities
- TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
- TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
- TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2018-21052 · CVE Program
- CVE-2018-21052 · NVD
- FIRST EPSS
- GHSA-94j2-cx6v-2wc5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences