CVE-2026-21047
Received Received - Intake

Out-of-Bounds Write in ImsService Prior to SMR Jul-2026

Vulnerability report for CVE-2026-21047, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-28

Last updated on: 2026-07-28

Assigner: Samsung Mobile

Description

Out-of-bounds write in ImsService prior to SMR Jul-2026 Release 1 allows remote attackers to potentially execute arbitrary code.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-28
Last Modified
2026-07-28
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung imsservice to 2026-07-01 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an out-of-bounds write flaw in the ImsService component of Samsung devices. It exists in versions prior to the SMR Jul-2026 Release 1. The issue allows remote attackers to write data outside the intended memory buffer, potentially enabling arbitrary code execution on affected devices.

Impact Analysis

If exploited, this vulnerability could allow attackers to run malicious code on your device remotely. This might lead to unauthorized access to sensitive data, installation of malware, or control over device functions without your knowledge or consent.

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code due to an out-of-bounds write in ImsService. Such arbitrary code execution could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy).

Mitigation Strategies

Apply the SMR Jul-2026 Release 1 update or later to patch the ImsService out-of-bounds write vulnerability. Monitor Samsung's security advisories for additional patches or workarounds.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21047. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart