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TI-2026-70861 Aliases CVE-2026-21139GHSA-77hm-f5fp-r3qr

Improper access control in Samsung Continuity Service for Windows

Priority LOW 31Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Samsung Continuity Service for Windows before 4.6.1217.0 contains an improper access control flaw. An adjacent attacker without privileges and without user interaction can manipulate the connected mobile device.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper access control in Samsung Continuity Service for windows prior to version 4.6.1217.0 allows adjacent attackers to manipulate the connected mobile device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0012 1st percentileScored 2026-11-07
Fix Fixed Samsung Continuity Service for windows (Samsung Mobile): 4.6.1217.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSamsung Continuity Service for windows—4.6.1217.0Patch availableCNA
  • Samsung Continuity Service for windows VendorSamsung Affected — Fixed in 4.6.1217.0 Patch available CNA

Remediation

Update Samsung Continuity Service for Windows to version 4.6.1217.0, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Samsung Continuity Service for windows (Samsung Mobile) Fixed in 4.6.1217.0

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-21139
  2. 2026-10-12 Alias added: GHSA-77hm-f5fp-r3qr
  3. 2026-10-12 Priority changed: MEDIUM → LOW
  4. 2026-10-16 CISA SSVC decision points changed

References

Other 1

  • TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
  • TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
See all 2043 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences