Microsoft · mptcp: pm: kernel: drop pending ADD_ADDR when removing ID0
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in d4a67a880654e1bfe318a31bea0bdbb026a09ade : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:35 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in d4a67a880654e1bfe318a31bea0bdbb026a09ade, bacf23e7c9876c9f4170166b3597cb22ea3ed39b, 545616b4e7325be3c61fc082538cb06d14f7b1db +3
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 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
CVE-2026-97566 is a vulnerability related to the Multipath TCP (mptcp) kernel component, specifically involving the handling of pending ADD_ADDR messages when removing ID0. The advisory provides no detailed technical information or impact description. The affected versions are Microsoft products version 3.0 and 4.0. No CVSS score or exploit information is available.