Skip to main content

Link to Windows CVE-2026-21098

| EUVDEUVD-2026-74639 MEDIUM
Improper Access Control (CWE-284)
2026-09-09 SamsungMobile GHSA-jw2g-r66f-48g3
Authentication Bypass Microsoft Samsung Mobile Devices Samsung Mobile
6.9
CVSS 4.0 · Vendor: SamsungMobile
Share

Severity by source

Vendor (SamsungMobile) PRIMARY
6.9 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
6.2 MEDIUM

Local attack vector confirmed by AV:L in provided CVSS 4.0; PR:N since no device credentials are needed; only availability disruption is established (VA:H), with no confidentiality or integrity impact.

3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (SamsungMobile).

CVSS VectorVendor: SamsungMobile

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Metadata Corrected
Sep 09, 2026 - 08:40 vuln.today
tag: Information Disclosure removed
Analysis Generated
Sep 09, 2026 - 08:40 vuln.today
CVE Published
Sep 09, 2026 - 04:47 cve.org
MEDIUM 6.9

DescriptionCVE.org

Improper access control in Link to Windows prior to SMR Sep-2026 Release 1 allows local attackers to establish a connection with the PC without proper user interaction.

AnalysisAI

Improper access control in Samsung's Link to Windows Android application allows a local attacker to establish an unauthorized connection with a paired Windows PC, silently bypassing the user-consent step required for pairing. Affected Samsung Mobile Devices run Android 14 through 17 with the Link to Windows app prior to SMR Sep-2026 Release 1. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts
Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden
Sign in to reveal

Vulnerability AssessmentAI

Exploitation Local access to the Samsung Android device is required - either physical access or a malicious application running in the local execution environment. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 (AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H) reflects a constrained threat model: exploitation is strictly local, requires no privileges on the device, and yields only availability impact on the vulnerable system (disruption of the Link to Windows session). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply SMR Sep-2026 Release 1, the Samsung Monthly Security Release that contains the fix for this vulnerability across Android 14, 15, 16, and 17. … Detailed patch versions, workarounds, and compensating controls in full report.
Sign in to read full assessment

Threat intelligence, references, and detailed analysis are available after sign-in.

More in Samsung Mobile Devices

View all
CVE-2026-21085 HIGH POC
8.4 Sep 09

Out-of-bounds write in Samsung's Keymaster trustlet - a Trusted Execution Environment (TEE) component running in ARM Tru
CVE-2026-21102 CRITICAL
9.3 Sep 09

Local privilege escalation to root in Samsung's DualDAR (Dual Data-at-Rest) encryption component affects Samsung mobile

CVE-2026-21096 CRITICAL
9.2 Sep 09

Remote code execution in Samsung Mobile Devices arises from a heap-based buffer overflow in the JPEG decoding path of li
CVE-2026-21095 CRITICAL
9.2 Sep 09

Remote code execution in the DNG (Adobe Digital Negative) image decoder within Samsung's Quram imaging library (libimage
CVE-2026-21092 HIGH
8.8 Sep 09

Path traversal in Samsung's ImsService (IP Multimedia Subsystem Service) on Android 14 through 17 permits remote unauthe
CVE-2026-21087 HIGH
8.6 Sep 09

Out-of-bounds write in libmdnie.so on Samsung Mobile Devices running Android 15, 16, and 17 enables local attackers to e
CVE-2026-21019 HIGH
8.6 May 13

Local privilege escalation in Samsung Galaxy Watch allows unprivileged local attackers to execute arbitrary code with sy
CVE-2026-21068 HIGH
8.4 Aug 10

Stack-based buffer overflow in libril_sem.so - Samsung's Radio Interface Layer shared library - enables privileged local
CVE-2026-21101 HIGH
8.4 Sep 09

Improper input validation in Samsung's DualDAR kernel driver enables a local privileged attacker to escalate privileges

CVE-2026-21047 HIGH
8.3 Jul 28

We need to produce a comprehensive analysis for CVE-2026-21047. Let's gather all provided data: CVE ID, description: "Ou
CVE-2026-20990 HIGH
8.1 Mar 16

Google's Secure Folder prior to the March 2026 SMR release improperly exports Android application components, enabling l
CVE-2026-21104 HIGH
7.1 Sep 09

Heap buffer overflow in Samsung KnoxVault trustlet (hwvault trusted application) on Samsung Mobile Devices prior to SMR

Same weakness CWE-284 – Improper Access Control

View all
CVE-2012-4681 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
9.8
CVE-2012-5076 CRITICAL POC
9.8
CVE-2014-3120 HIGH POC
8.1
CVE-2013-2423 LOW POC
3.7
CVE-2016-3427 CRITICAL
9.8
CVE-2025-12480 CRITICAL POC
9.1

Same technique Authentication Bypass

View all
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3
CVE-2023-46805 HIGH POC
8.2

Share

CVE-2026-21098 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy