CVE-2026-47656
Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
CSIRTS triage
- What
- Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
- Who is affected
- Authorized users of Windows Boot Manager.
- Urgency
- Remediation is urgent due to the high severity and potential for security feature bypass.
- Action
- Update to the latest version of Windows to mitigate this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-47656: Windows Boot Manager Security Feature Bypass Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-47656)