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{"analysis": {"en": {"generated_at": "2026-04-16T18:11:38.814419+00:00", "value": {"mitigation_remediation": ["Apply the Microsoft security update that addresses CVE\u20112026\u201120871 as published on the official Microsoft security update guide", "Configure Windows Update to automatically download and install security patches so future fixes are applied promptly", "If an immediate update is not feasible, disable the Desktop Window Manager feature via Group Policy or registry settings to eliminate the attack surface as a temporary measure"], "summary": {"action": "Patch Immediately", "impact": "Local Privilege Escalation"}, "threat_synthesis": {"affected_systems": "Microsoft Windows 10 versions 21H2 and 22H2, Windows 11 versions 22H3, 23H2, 24H2 and 25H2, Windows Server 2022, Windows Server 2022 (23H2 Edition \u2013 Server Core installation), Windows Server 2025 and Windows Server 2025 (Server Core installation).", "description_and_impact": "A use\u2011after\u2011free flaw in the Desktop Window Manager permits an attacker with local access to execute code with elevated privileges. The vulnerability is classified as CWE\u2011416 and can be leveraged to take control of the system or install and run additional software with administrative rights. If exploited, the attacker could compromise system confidentiality, integrity, and availability, potentially moving laterally within a network if elevated accounts are further abused.", "risk_and_exploitability": "The vulnerability has a CVSS score of 7.8, indicating a high severity level. The EPSS score is less than 1%, suggesting current exploitation activity is rare, and it is not listed in CISA\u2019s Known Exploited Vulnerabilities catalog. The attack requires local, authorized access and would proceed via the use\u2011after\u2011free condition in the Desktop Window Manager. Given its moderate\u2011to\u2011high severity and the potential for local attackers to gain full system control, organizations should consider this risk significant and patch early."}}}}, "created": "2026-04-16T18:15:43.299847+00:00", "updated": "2026-04-16T18:15:43.299857+00:00", "vendors": []}