Samsung Devices up to R(11.0) SemClipboardService improper authorization in handler for custom url scheme

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k2.16

Summaryinfo

A vulnerability marked as problematic has been reported in Samsung Devices. The affected element is an unknown function of the component SemClipboardService. This manipulation causes improper authorization in handler for custom url scheme. The identification of this vulnerability is CVE-2026-21062. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Samsung Devices. It has been declared as problematic. Affected by this vulnerability is an unknown code of the component SemClipboardService. The manipulation with an unknown input leads to a improper authorization in handler for custom url scheme vulnerability. The CWE definition for the vulnerability is CWE-939. The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme. As an impact it is known to affect confidentiality. The summary by CVE is:

Authorization bypass in SemClipboardService prior to SMR Aug-2026 Release 1 allows local attackers to access clipboard data.

The advisory is shared at security.samsungmobile.com. This vulnerability is known as CVE-2026-21062 since 12/11/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading to version SMR Aug-2026 Release eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization in handler for custom url scheme
CWE: CWE-939 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Devices SMR Aug-2026 Release

Timelineinfo

12/11/2025 CVE reserved
08/10/2026 +241 days Advisory disclosed
08/10/2026 +0 days VulDB entry created
08/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2026-21062 (🔒)
GCVE (CVE): GCVE-0-2026-21062
GCVE (VulDB): GCVE-100-387349

Entryinfo

Created: 08/10/2026 09:50
Changes: 08/10/2026 09:50 (54)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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