Microsoft · scsi: st: Fix use-after-free race between st_remove() and st_open()
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in a1647b653549ff29f0422a63eabf329b842f3822 : patch Microsoft soon.
Data as of 29 Oct 2026, 11:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in a1647b653549ff29f0422a63eabf329b842f3822, 71caf7f84bd62a4bf91cc95abd2de690afb8d15f, 18a0e3733ce38718688e813e5e2d1106bd4830e5
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 a1647b653549ff29f0422a63eabf329b842f3822, 71caf7f84bd62a4bf91cc95abd2de690afb8d15f or 18a0e3733ce38718688e813e5e2d1106bd4830e5.
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
CVE-2026-99156 is a use-after-free race condition vulnerability in the SCSI st driver affecting version 3.0. The flaw involves a race between the st_remove() and st_open() functions. No CVSS score or detailed impact information is provided.