Microsoft · Drivers: hv: Don't reset VMBus connection state on error/exit paths
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f47ce27af80b87cc684d5c12b65506af498ac7e5 : update Microsoft when convenient.
Data as of 29 Oct 2026, 11:32 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in f47ce27af80b87cc684d5c12b65506af498ac7e5, ec31dc39e835ccde0930daccece8c492d28282fc, 3195546a377c2d8d176d837e8baad5ce15d11195 +3
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 to a fixed release listed under Affected software.
Affected software
| Product | 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 Microsoft driver component 'hv' where the VMBus connection state is improperly reset on error or exit paths. The issue is identified in version 3.0 of the affected software. No CVSS score or detailed impact information is provided.