Microsoft · Bluetooth: RFCOMM: free the skb when the DLC has no owner
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in c3f76b025cbbb0ab47310dbe7de18092d89f2a99 : update Microsoft when convenient.
Data as of 7 Nov 2026, 13:03 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in c3f76b025cbbb0ab47310dbe7de18092d89f2a99, b8814161b14c610b7a09527433301d8ad8180aef, a835b7f445427c7bdfc7169a97e0a1bec375e408 +5
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
This vulnerability involves the Bluetooth RFCOMM component in Microsoft products, specifically versions 3.0 and 4.0. The issue relates to freeing the socket buffer (skb) when the Data Link Connection (DLC) has no owner, which could lead to resource management problems. No CVSS score or detailed impact information is provided, and there is no indication of exploitation in the wild or available patches.