CVE-2026-21052

System-privileged file access via path traversal

Published Jul 10, 2026 · Updated Jul 10, 2026

Path traversal in SemClipboardService on Samsung Mobile Devices running Android 14 through 16 allows local privileged attackers to read files. Samsung identifies improper path-input validation in SemClipboardService but does not disclose the affected method or exact path-resolution error. The attack requires privileged local code execution and exposes files readable with the service's system privilege; no write or service-interruption impact is reported.

CVSS severity6.8
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in SemClipboardService on Samsung Mobile Devices running Android 14 through 16 allows local privileged attackers to read files. Samsung identifies improper path-input validation in SemClipboardService but does not disclose the affected method or exact path-resolution error. The attack requires privileged local code execution and exposes files readable with the service's system privilege; no write or service-interruption impact is reported.

The record

CVE
CVE-2026-21052
Published
Jul 10, 2026
Updated
Jul 10, 2026
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

6.8Samsung MobileCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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