CVE-2026-48573
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
CSIRTS triage
- What
- Protection mechanism failure allows an authorized attacker to bypass a security feature locally.
- Who is affected
- Users of Windows with Secure Boot enabled.
- Urgency
- Remediation is high urgency due to the potential for local security feature bypass.
- 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
- Moderate exploitation risk1.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 60% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-48573: Secure Boot Security Feature Bypass Vulnerabilitymsrc · 2026-06-09
External references
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