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CVE-2026-98455VulnerabilityPublished Updated

Microsoft · Bluetooth: RFCOMM: fix NULL dereference of dlc->session in RFCOMM_CONNINFO

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98455· High

Not known to be exploited · fixed in c7362f6a18ed167f52f08ce25eeec8a7818c5004 : patch Microsoft soon.

Data as of 2 Nov 2026, 10:58 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in c7362f6a18ed167f52f08ce25eeec8a7818c5004, c3aee3fc1287c8a555baf3895959087cb0c33fe8, 84ae3cfd7d3a63591a2eb4faa24faf678c6708aa +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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < c7362f6a18ed167f52f08ce25eeec8a7818c5004
Fixed in
  • c7362f6a18ed167f52f08ce25eeec8a7818c5004
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < c3aee3fc1287c8a555baf3895959087cb0c33fe8
Fixed in
  • c3aee3fc1287c8a555baf3895959087cb0c33fe8
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 84ae3cfd7d3a63591a2eb4faa24faf678c6708aa
Fixed in
  • 84ae3cfd7d3a63591a2eb4faa24faf678c6708aa
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 46f8ffd0a1f1eb6cbc94946a92c11ef601e228a1
Fixed in
  • 46f8ffd0a1f1eb6cbc94946a92c11ef601e228a1
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 8f5b30cc12c409ff62891e47ed51e6bf0945a3ea
Fixed in
  • 8f5b30cc12c409ff62891e47ed51e6bf0945a3ea
LinuxLinuxAffected
  • ≥ bb23c0ab824653be4aa7dfca15b07b3059717004, < 005b23d9e324fe5d0acbcfa70c625f2e81189046
Fixed in
  • 005b23d9e324fe5d0acbcfa70c625f2e81189046

Description

A vulnerability in the Bluetooth RFCOMM component causes a NULL pointer dereference due to improper handling of dlc->session in RFCOMM_CONNINFO. This flaw affects Microsoft products with versions 3.0 and 4.0.

References

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