Microsoft · btrfs: fix zero size inode with non-zero size after log replay
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in fddb157536e67a055597f00a8b4922d5f5ed0826 : update Microsoft when convenient.
Data as of 30 Oct 2026, 06:59 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in fddb157536e67a055597f00a8b4922d5f5ed0826, c939bfa67d221f75351a5bf2fc912e8125547b7e, 91990732ec4ce5c09361d498c6d621f5a76ee1f2 +2
Exploitation evidence
Disclosed: evidence found.
CVE published 6 May 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 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– |
Description
CVE-2026-43118 is a vulnerability related to the btrfs filesystem where an inode can have a zero size but a non-zero size after log replay. This issue affects version 3.0 of the Microsoft product referenced. No CVSS score or detailed impact information is provided.