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TI-2026-12973 Aliases CVE-2026-15417GHSA-mh8r-v298-qg9c

CP210x Denial of Service

Priority LOW 30CWE-369Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-369.

Summary

In the silabser.sys Windows 8 driver for CP210x devices, a local unprivileged user can use incorrect driver settings to cause a kernel crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00167 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
silabs.comsilabser.sys driverup to 6.7.6—No fix listedCNA
  • silabser.sys driver Vendorsilabs.com Affected up to 6.7.6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Silicon Labs silabser.sys driver — siliconlabs.lightning.force.com/sfc/servlet.shepherd/docume…

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-12975 CP210x Driver Memory Corruption results in Arbitrary Code ExecutionPriority LOW 32
    • TI-2026-12974 CP210x Memory LeakagePriority LOW 12

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15417
  2. 2026-10-03 Alias added: GHSA-mh8r-v298-qg9c

References

  • TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
  • TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
  • TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
  • TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
See all 178 →

Sources