CVE-2026-42905
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- Who is affected
- Authorized users of Windows DWM Core Library.
- Urgency
- Remediation is urgent due to the high severity and 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
- Moderate exploitation risk2.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 79% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-42905: Windows DWM Core Library Elevation of Privilege Vulnerabilitymsrc · 2026-06-09
External references
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