CVE-2026-21112

Privileged activity launch via improper input validation

Published Sep 9, 2026 · Updated Sep 10, 2026

Improper input validation in Samsung Tips before Android 17 allows local users to launch arbitrary activities with the app's privileges. Samsung has not disclosed the affected component or the untrusted input that reaches the missing validation logic. Exploitation requires low-privileged local access and passive user interaction; launched activities inherit Samsung Tips privileges.

CVSS severity5.1
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Samsung Tips before Android 17 allows local users to launch arbitrary activities with the app's privileges. Samsung has not disclosed the affected component or the untrusted input that reaches the missing validation logic. Exploitation requires low-privileged local access and passive user interaction; launched activities inherit Samsung Tips privileges.

The record

CVE
CVE-2026-21112
Published
Sep 9, 2026
Updated
Sep 10, 2026
Vendor
Samsung Electronics
Product
Samsung Tips
Classifications
CWE-20
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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 · Samsung TipsAffected versions are unavailable in this record.

Published CVSS scores

5.1Samsung MobileCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/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.

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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

CWE-20Improper Input Validation

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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