CVE-2026-8676

Bluetooth LE Bonding Downgrade via Spoofing

Published May 26, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silabs
Silabs simplicity Sdk
Vendors & Products Silabs
Silabs simplicity Sdk
Type Values Removed Values Added
Title Bluetooth LE Bonding Downgrade via Spoofing
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-290
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
May 26, 2026, 8:47 PM
Reserved
May 15, 2026, 1:12 PM
Status
Awaiting Analysis
Published
May 26, 2026, 9:16 PM
Modified
Jul 23, 2026, 11:10 AM