Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync
CVE-2026-43019 is a vulnerability in Microsoft software related to Bluetooth functionality, specifically in the hci_conn component's set_cig_params_sync function. The issue involves a potential use-after-free (UAF) condition. The affected version explicitly identified is version 3.0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or available patches at this time.
AI Analysis
Technical Summary
This vulnerability concerns a potential use-after-free (UAF) flaw in the Bluetooth hci_conn component within the set_cig_params_sync function in Microsoft software. The vulnerability could allow improper memory handling, but specific exploitation details and impact are not provided. The only affected version explicitly stated is version 3.0. No patch or remediation information is currently available from the vendor advisory or other sources.
Potential Impact
The vulnerability could lead to memory corruption due to use-after-free in Bluetooth handling, which might result in application instability or potential escalation of privileges depending on exploitation. However, no confirmed exploit or detailed impact analysis is provided in the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync
Description
CVE-2026-43019 is a vulnerability in Microsoft software related to Bluetooth functionality, specifically in the hci_conn component's set_cig_params_sync function. The issue involves a potential use-after-free (UAF) condition. The affected version explicitly identified is version 3.0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or available patches at this time.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns a potential use-after-free (UAF) flaw in the Bluetooth hci_conn component within the set_cig_params_sync function in Microsoft software. The vulnerability could allow improper memory handling, but specific exploitation details and impact are not provided. The only affected version explicitly stated is version 3.0. No patch or remediation information is currently available from the vendor advisory or other sources.
Potential Impact
The vulnerability could lead to memory corruption due to use-after-free in Bluetooth handling, which might result in application instability or potential escalation of privileges depending on exploitation. However, no confirmed exploit or detailed impact analysis is provided in the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided at this time.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-43019
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a42ed9027e9c79719963cc3
Added to database: 06/29/2026, 22:11:28 UTC
Last enriched: 06/29/2026, 22:56:07 UTC
Last updated: 07/31/2026, 19:24:47 UTC
Views: 9
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