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CVE-2026-98737VulnerabilityPublished Updated

Microsoft · Bluetooth: hci_sync: Fix inquiry cache use-after-free

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98737· High

Not known to be exploited · fixed in ddc9edb244cc8b5266595e8fc220e7813f2b603a : patch Microsoft soon.

Data as of 7 Nov 2026, 12:18 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in ddc9edb244cc8b5266595e8fc220e7813f2b603a, a642f498f0b08f2aa9f4a69468db92f57a72349d, 333257e6e4a7bcaaea82fd357121d0f1e6b76c7b +2

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
  • ≥ cf75ad8b41d2aa06f98f365d42a3ae8b059daddd, < ddc9edb244cc8b5266595e8fc220e7813f2b603a
Fixed in
  • ddc9edb244cc8b5266595e8fc220e7813f2b603a
LinuxLinuxAffected
  • ≥ cf75ad8b41d2aa06f98f365d42a3ae8b059daddd, < a642f498f0b08f2aa9f4a69468db92f57a72349d
Fixed in
  • a642f498f0b08f2aa9f4a69468db92f57a72349d
LinuxLinuxAffected
  • ≥ cf75ad8b41d2aa06f98f365d42a3ae8b059daddd, < 333257e6e4a7bcaaea82fd357121d0f1e6b76c7b
Fixed in
  • 333257e6e4a7bcaaea82fd357121d0f1e6b76c7b
LinuxLinuxAffected
  • ≥ cf75ad8b41d2aa06f98f365d42a3ae8b059daddd, < 52edf1c0e59dea37b8368c4a2559dca96b2fdfea
Fixed in
  • 52edf1c0e59dea37b8368c4a2559dca96b2fdfea
LinuxLinuxAffected
  • ≥ cf75ad8b41d2aa06f98f365d42a3ae8b059daddd, < 8ed67535fdff40ca652bcd4ac7da68d11d01bd34
Fixed in
  • 8ed67535fdff40ca652bcd4ac7da68d11d01bd34
LinuxLinuxAffected
  • =5.17
Fixed in–

Description

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

References

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