CVE-2026-40414
An attacker can exploit multiple vulnerabilities in Microsoft Windows products to execute arbitrary code, escalate privileges, conduct a Denial of Service attack, disclose information, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to execute arbitrary code, escalate privileges, conduct denial of service attacks, disclose information, and bypass security measures.
- Who is affected
- All deployments of Microsoft Windows products are affected.
- Urgency
- Remediation is urgent due to the critical severity and confirmed exploitation.
- Action
- Apply the latest security updates provided by Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Advisory coverage (1)
- critical[UPDATE] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund · 2026-07-09
External references
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[](https://www.csirts.com/cve/CVE-2026-40414)