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CVE-2026-99015VulnerabilityPublished Updated

Microsoft · Bluetooth: hci_sock: Serialize dead-device detachment

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99015· High

Not known to be exploited · fixed in e660a22402944f2615a16fde7129a3c497537329 : patch Microsoft soon.

Data as of 7 Nov 2026, 13:02 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e660a22402944f2615a16fde7129a3c497537329, c3d2799877906d0c8392d96e14216cd82b020330, 362126f739889436048f5573ebc87466d2525fd9 +12

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=5.10.58 <5.10.273
  • >=4.4.281 <4.5
  • >=4.9.280 <4.10
  • >=4.14.244 <4.15
  • >=4.19.203 <4.20
  • >=5.4.140 <5.5
  • >=5.13.10 <5.14
Fixed in
  • e660a22402944f2615a16fde7129a3c497537329
  • c3d2799877906d0c8392d96e14216cd82b020330
  • 362126f739889436048f5573ebc87466d2525fd9
  • 381a0925c556a8d91a80a9b9e3e86651d60ffee3
  • 304adbdb96b0491c2b377e216b0bf417fc8e69a9
  • 88f47e66b1a6e0bfc350676937f3b552b434e74c
  • 76f2e2665697340ac719e7ff1bf148dd014e55c1
  • 37cef0c8fb537f40600910d2c2e5f2d5509305f3
  • 5.14
  • 5.10.273
  • 5.5
  • 4.20
  • 4.15
  • 4.10
  • 4.5
LinuxLinuxAffected
  • =5.14
Fixed in–

Description

This vulnerability, identified as CVE-2026-99015, relates to the Bluetooth subsystem, specifically the hci_sock component, involving serialization of dead-device detachment. The advisory provides no detailed technical information or impact description beyond the identification of the issue. The affected Microsoft product versions are 3.0 and 4.0. No CVSS score or exploit information is available.

References

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