Microsoft · smb/client: invalidate fscache for fallocate range operations
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in dd8b1e808f5c19479e6ed47e2f88a1fd46f8b0e5 : 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 dd8b1e808f5c19479e6ed47e2f88a1fd46f8b0e5, cc7202a51b8777a757bda9dcfbf339f828c6a130, 448ba0ae65ca61064183564d2983c9aa59bd6ba7 +1
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 Linux to dd8b1e808f5c19479e6ed47e2f88a1fd46f8b0e5, cc7202a51b8777a757bda9dcfbf339f828c6a130, 448ba0ae65ca61064183564d2983c9aa59bd6ba7 or 93c6e5a8d7c5071d586c1411596d5db5faad22b2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle