Microsoft · ipc: drop the mqueue mount with kern_unmount() on setup failure
Affects MicrosoftSource GCVE Database
Not known to be exploited : upgrade to f0e48172a59e517e613b73f73cc35f24fd123aeb or c0620b648321fff654173d238d4a85298ea16d05 when convenient.
Data as of 29 Oct 2026, 11:35 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in f0e48172a59e517e613b73f73cc35f24fd123aeb, c0620b648321fff654173d238d4a85298ea16d05
Exploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 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 Linux to f0e48172a59e517e613b73f73cc35f24fd123aeb or c0620b648321fff654173d238d4a85298ea16d05.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Description
CVE-2026-99172 is a vulnerability related to the IPC subsystem where the mqueue mount is dropped using kern_unmount() upon setup failure. The advisory provides no further technical details or impact description. The affected product is Microsoft software version 3.0. No CVSS score or exploit information is available.