CVE-2025-27463

unknowncovered by 1 sourcefirst seen 2026-07-09

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464

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Exploitation outlook

Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2025-27463: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnera…nvd · 2026-07-09

External references

NVD record for CVE-2025-27463

CVE.org record

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