Microsoft · btrfs: fix deadlock cloning inline extent when using flushoncommit
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in ea3452726ccb6bcaa732f43cc57bb928eca3dd59 : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:32 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in ea3452726ccb6bcaa732f43cc57bb928eca3dd59, 06283034cec0fa357cbd85784ef7d3f5b2ce0790, 532085d00eb54c074bdeae648b194765239f4d11 +3
Exploitation evidence
Disclosed: evidence found.
CVE published 15 Aug 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
A vulnerability identified as CVE-2026-74318 involves a deadlock issue in the btrfs filesystem related to cloning inline extents when using the flushoncommit feature. The affected product is Microsoft software version 3.0. No CVSS score or detailed impact information is provided.