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CVE-2026-97992VulnerabilityPublished Updated

Microsoft · vhost-vdpa: protect config_ctx from being freed under the config callback

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97992· High

Not known to be exploited · fixed in f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:18 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11, bf35c8948ab7a3eaf1f724fa1e870e3f73a1749b, 914c7cc2e3d10dddd3c5529cbe56557c9e01702a +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 776f395004d829bbbf18c159ed9beb517a208c71, < f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11
Fixed in
  • f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11
LinuxLinuxAffected
  • ≥ 776f395004d829bbbf18c159ed9beb517a208c71, < bf35c8948ab7a3eaf1f724fa1e870e3f73a1749b
Fixed in
  • bf35c8948ab7a3eaf1f724fa1e870e3f73a1749b
LinuxLinuxAffected
  • ≥ 776f395004d829bbbf18c159ed9beb517a208c71, < 914c7cc2e3d10dddd3c5529cbe56557c9e01702a
Fixed in
  • 914c7cc2e3d10dddd3c5529cbe56557c9e01702a
LinuxLinuxAffected
  • ≥ 776f395004d829bbbf18c159ed9beb517a208c71, < 62be4e3e5f5f947fbf765b914cebdc478f715d12
Fixed in
  • 62be4e3e5f5f947fbf765b914cebdc478f715d12
LinuxLinuxAffected
  • ≥ 776f395004d829bbbf18c159ed9beb517a208c71, < 5a075ee2398929d5cc1393666f219c35332becb1
Fixed in
  • 5a075ee2398929d5cc1393666f219c35332becb1
LinuxLinuxAffected
  • =5.8
Fixed in–

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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