Microsoft · cifs: fix cifsFileInfo leak on kmalloc failure in deferred close drain paths
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in c968b2417f6a15d35ff4b97d534af4a126cb510b : update Microsoft when convenient.
Data as of 2 Nov 2026, 10:58 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in c968b2417f6a15d35ff4b97d534af4a126cb510b, c2f2e83e3bbc5483730fd4ee903182761f1ae50f, 75143abc21f627da7ee3b0336814bd702692e830 +3
Exploitation evidence
Disclosed: evidence found.
CVE published 10 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 2 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-2026-68312 affects Microsoft software version 3.0. It involves a resource leak (cifsFileInfo) occurring on kmalloc failure during deferred close drain paths. No CVSS score or detailed impact information is provided.