High severity · published May 26, 2026
CVE-2026-8676
An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond
8.8
CVSS
0.2%
EPSS
No
On KEV
Description
An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simplicity SDK · silabs.com
before 2024.12.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8676
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8676
community.silabs.com
https://community.silabs.com/068Vm00000p3N9C
www.silabs.com
https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf
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