CVE-2026-42907
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.
CSIRTS triage
- What
- Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information locally.
- Who is affected
- Users of Windows Shell with sensitive information.
- Urgency
- Remediation is important due to the medium severity and risk of information disclosure.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.82% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-42907: Windows Shell Information Disclosure Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-42907)