CVE-2026-42984
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- A use-after-free vulnerability allows an authorized attacker to elevate privileges locally.
- Who is affected
- Authorized users of Windows systems with the Windows Kernel.
- Urgency
- Remediation is high urgency due to the potential for local privilege escalation.
- 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 risk0.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-42984: Windows Kernel Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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