Microsoft · KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in d00d5f534a8238674755e59826a6c7d3c8efb870 : update Microsoft 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 d00d5f534a8238674755e59826a6c7d3c8efb870, c9716f956216eb74ab0aad7f633586edd49e0322, c8f4cfe1cf93bce924e27f2abead7a4c4a487505
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 d00d5f534a8238674755e59826a6c7d3c8efb870, c9716f956216eb74ab0aad7f633586edd49e0322 or c8f4cfe1cf93bce924e27f2abead7a4c4a487505.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Debiandebian/linuxpkg:deb/debian/linuxOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This vulnerability involves the KVM nVMX component where the MMU is not properly reset back to the root MMU if loading the L2 state fails for non-VM-Entry conditions. It affects Microsoft product version 3.0. No CVSS score or detailed impact information is provided.