Cyber Resilience

CVE-2026-8915

High

Published: 28 May 2026

Published
28 May 2026
Modified
02 June 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0032 24.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8915 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Samsung Escargot. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 24.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: 36f5fb58366a67b713c02f6fd985e924fcc09e31.

CWE(s)
CWE-787

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Out-of-bounds write (CWE-787) in JS engine enables client-side code execution via crafted JS and potential privilege escalation.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-47314Same product: Samsung Escargot
CVE-2026-47310Same product: Samsung Escargot
CVE-2026-47311Same product: Samsung Escargot
CVE-2025-20881Same vendor: Samsung
CVE-2025-20890Same vendor: Samsung
CVE-2025-20888Same vendor: Samsung
CVE-2025-20931Same vendor: Samsung
CVE-2025-20882Same vendor: Samsung
CVE-2025-21042Same vendor: Samsung
CVE-2025-20929Same vendor: Samsung

Affected Assets

samsung
escargot
≤ 2026-05-21

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References