Microsoft · smb/client: validate new EOF for insert range
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f8cbfe3a3fcee7d991fd223f660f3e5df13221cf : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:19 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in f8cbfe3a3fcee7d991fd223f660f3e5df13221cf, bc7602b9082ef195d913c4c16fa9853dd262333e, b7f2e33d9f5db7b8e6e5e0a5a93d0c5e31870356 +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
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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
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle