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CVE-2026-98733VulnerabilityPublished Updated

Microsoft · Bluetooth: hci_core: Serialize fragmented ISO packet queueing

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98733· High

Not known to be exploited · fixed in e328b5823fa6b0b160d0922d6d68323e910d09a4 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:18 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e328b5823fa6b0b160d0922d6d68323e910d09a4, d6d709981208567868c5c01ebd1bec5e5e7fdab0, a7161730a3ab3f0a3896000db7ab0284683936e6 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 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
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < e328b5823fa6b0b160d0922d6d68323e910d09a4
Fixed in
  • e328b5823fa6b0b160d0922d6d68323e910d09a4
LinuxLinuxAffected
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < d6d709981208567868c5c01ebd1bec5e5e7fdab0
Fixed in
  • d6d709981208567868c5c01ebd1bec5e5e7fdab0
LinuxLinuxAffected
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < a7161730a3ab3f0a3896000db7ab0284683936e6
Fixed in
  • a7161730a3ab3f0a3896000db7ab0284683936e6
LinuxLinuxAffected
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 708cdd203d0bbcf9255fffb2e4c308d5b28851a7
Fixed in
  • 708cdd203d0bbcf9255fffb2e4c308d5b28851a7
LinuxLinuxAffected
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 545fa70f730eb648a610a2f4b2d270865f77b619
Fixed in
  • 545fa70f730eb648a610a2f4b2d270865f77b619
LinuxLinuxAffected
  • ≥ 26afbd826ee326e63a334c37fd45e82e50a615ec, < 1a572db43c057566771b485598ad2e66cb390821
Fixed in
  • 1a572db43c057566771b485598ad2e66cb390821

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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