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CVE-2026-98739VulnerabilityPublished Updated

Microsoft · Bluetooth: RFCOMM: Fix initial port reference race

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98739· High

Not known to be exploited · fixed in e5aa7fbf7a4446bb89f0b8394b2dfc1a6b6aba5b : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e5aa7fbf7a4446bb89f0b8394b2dfc1a6b6aba5b, d3dd18e85c140df72e0f2b5ee156ebfba04c06cb, cd247e38b14df48d6b3940c4573a9f7acb10c363 +5

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
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < e5aa7fbf7a4446bb89f0b8394b2dfc1a6b6aba5b
Fixed in
  • e5aa7fbf7a4446bb89f0b8394b2dfc1a6b6aba5b
LinuxLinuxAffected
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < d3dd18e85c140df72e0f2b5ee156ebfba04c06cb
Fixed in
  • d3dd18e85c140df72e0f2b5ee156ebfba04c06cb
LinuxLinuxAffected
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < cd247e38b14df48d6b3940c4573a9f7acb10c363
Fixed in
  • cd247e38b14df48d6b3940c4573a9f7acb10c363
LinuxLinuxAffected
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < c50360a019766fafa27318928bfea96dcce8a37d
Fixed in
  • c50360a019766fafa27318928bfea96dcce8a37d
LinuxLinuxAffected
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < a03ccf1ab77380d4c4a3c56552e12de4a83efa21
Fixed in
  • a03ccf1ab77380d4c4a3c56552e12de4a83efa21
LinuxLinuxAffected
  • ≥ 80ea73378af46b0023eb2f400d26c2a60248ffaa, < 55d162aa00d1ee33c3e6fa88b71f1e2d6e1441e9
Fixed in
  • 55d162aa00d1ee33c3e6fa88b71f1e2d6e1441e9

Description

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

References

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