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{"analysis": {"en": {"generated_at": "2026-04-16T08:39:55.515322+00:00", "value": {"mitigation_remediation": ["Install the Microsoft security update that addresses CVE\u20112026\u201120811 for all affected Windows\u202f11 and Server versions, as outlined on the Microsoft Security Response Center update guide.", "Reboot the affected systems to apply the updated kernel module and ensure the vulnerability is fully remediated.", "Deploy endpoint detection and response solutions and monitor for any unusual privilege escalation attempts or anomalous process activity, reinforcing least\u2011privilege configurations on user accounts."], "summary": {"action": "Immediate Patch", "impact": "Local Privilege Escalation"}, "threat_synthesis": {"affected_systems": "Affected systems include Microsoft Windows\u202f11 releases\u202f23H2,\u202f24H2,\u202f25H2, and\u202f22H3, on both x64 and ARM64 architectures, as well as Windows Server\u202f2022 and Windows Server\u202f2025, including their server core installations. The flaw is present across these OS releases and all supported processors noted in the CPE entries.", "description_and_impact": "The vulnerability is a type confusion flaw in the Windows Win32K graphics kernel component, specifically the ICOMP interface. An authorized local user can supply crafted input that is interpreted as an incompatible type, allowing the kernel to execute code or alter data with elevated privileges. This results in a local privilege escalation that can enable the attacker to gain system\u2011level rights on the affected machine.", "risk_and_exploitability": "The CVSS score of\u202f7.8 categorizes the issue as high severity, and the EPSS score of less than\u202f1\u202f% indicates a low current exploit probability. The bug is not listed in the CISA KEV catalog, suggesting no publicly known exploitation has been reported. Attackers would need local access and the ability to trigger the type confusion via the Win32K subsystem. Once exploited, the attacker can gain ADMIN\u2011level rights, enabling further compromise of the system, data exfiltration, or deployment of malicious code. Organizations with unpatched Windows\u202f11 or Server machines should prioritize applying the security update immediately."}}}}, "created": "2026-04-16T08:45:26.258535+00:00", "updated": "2026-04-16T08:45:26.258545+00:00", "vendors": []}