Microsoft · ibmveth: h_free logical LAN on open-fail after register
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in decb4d4ead2c71ef698727734ab5024a872eb372 : update Microsoft when convenient.
Data as of 28 Oct 2026, 08:44 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in decb4d4ead2c71ef698727734ab5024a872eb372, d24fdec1413c656d29298097926e77542785ca0c, c54bbdf6f0731102a4bf7f5e4ee535b3ea415996 +2
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 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
CVE-2026-99045 is a published vulnerability related to the ibmveth component, specifically involving a logical LAN resource being freed on an open-fail event after register. The affected product is Microsoft software versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.