Microsoft · Bluetooth: RFCOMM: connect the session socket without rfcomm_mutex
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f492de11b325446b0b11bc2eb86e1f546eaa61b6 : update Microsoft when convenient.
Data as of 7 Nov 2026, 13:34 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in f492de11b325446b0b11bc2eb86e1f546eaa61b6, d2206e8c78be69d21d4f5343c3e99fbaeef41cbb, d7a3bf6f55ab77d465206b25fe3418091c3d4b92 +12
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
A vulnerability in the Bluetooth RFCOMM implementation involves connecting the session socket without proper synchronization using rfcomm_mutex. This issue affects Microsoft products versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.