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CVE-2026-17527VulnerabilityPublished Updated

Microsoft · Virt-cdi-operator: containerized-data-importer: cdi.kubevirt.io:view aggregated clusterrole grants create on

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-17527· High 7.7

Not known to be exploited · CVSS 7.7 High.

Data as of 31 Oct 2026, 08:37 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Jul 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 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Red HatRed Hat Container Native Virtualization 4.14Affected–Fixed in–
Red HatRed Hat Container Native Virtualization 4.16Affected–Fixed in–
Red HatRed Hat Container Native Virtualization 4.18Affected–Fixed in–
Red HatRed Hat Container Native Virtualization 4.19Affected–Fixed in–
Red HatRed Hat Container Native Virtualization 4.20Affected–Fixed in–
Red HatRed Hat Container Native Virtualization 4.21Affected–Fixed in–

AI-suggested

Until official fixes or guidance are available, review and restrict cluster role permissions related to the Virt-cdi-operator and containerized-data-importer components as a precaution.

Description

CVE-2026-17527 is a vulnerability related to the Virt-cdi-operator component of Microsoft software, specifically version 3.0. The vulnerability involves an aggregated cluster role granting create permissions, potentially related to the containerized-data-importer (CDI) in the Kubernetes environment. No CVSS score or detailed impact information is provided.

References

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