RPC handle list access · ksmbd: fix recursive locking
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 29 Oct 2026, 23:22 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Oct 2025
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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
Description
A vulnerability identified as CVE-2025-40090 affects Microsoft software version 3.0, involving a fix for recursive locking in the RPC handle list access within the ksmbd component. The advisory references the Microsoft Support Lifecycle for software support information but provides no detailed technical or impact information.