CVE-2026-42972
Exposure of sensitive information to an unauthorized actor in Windows Hyper-V allows an authorized attacker to disclose information locally.
CSIRTS triage
- What
- Sensitive information can be disclosed to unauthorized actors.
- Who is affected
- Users of Windows Hyper-V.
- Urgency
- Remediation is necessary due to the medium severity rating.
- Action
- Apply the security update to address the information disclosure.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-42972: Windows Hyper-V Information Disclosure Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-42972)