__tcf_action_put() · net/sched: fix use-after-free
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in 2465d27ef90de9105c2bffb6c35f8ce08918e642 : patch Microsoft soon.
Data as of 29 Oct 2026, 11:36 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in 2465d27ef90de9105c2bffb6c35f8ce08918e642, 7b16eb911091aae237a8673da94e4dfb9cd21d54, 2e012e431aa271ef3c84206f48854f539c03bff0
Exploitation evidence
Disclosed: evidence found.
CVE published 28 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 29 Oct 2026.
What to do
Upgrade Linux to 2465d27ef90de9105c2bffb6c35f8ce08918e642, 7b16eb911091aae237a8673da94e4dfb9cd21d54 or 2e012e431aa271ef3c84206f48854f539c03bff0.
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– |
Description
A use-after-free vulnerability exists in the __tcf_action_put() function in Microsoft software, identified as CVE-2026-99167. The vulnerability affects version 3.0 of the product. No CVSS score or detailed impact information is provided.