Microsoft · btrfs: zstd: fix lost wakeup when waiting for a workspace
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in d8f57049521948df5f50797141472fbbed3b0723 : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:18 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in d8f57049521948df5f50797141472fbbed3b0723, 844603cf842ee67640d33f350e3fa60f3de7fad3, 14d982762945d9945c60bbd48b77df194dd8e28d +2
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
|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in– |
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle