CVE-2026-25166

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"source": "cna", "vendor": "Microsoft"}, "product": "windows_server_2022,_23h2_edition_(server_core_installation)", "vendor": "microsoft"}], "analysis": {"en": {"generated_at": "2026-03-24T03:29:22.301987+00:00", "value": {"mitigation_remediation": ["Apply the Microsoft security update for CVE\u20112026\u201125166 as listed in the Microsoft Update Guide", "If the update is not yet available, remove or disable the Windows ADK components until the patch is released", "Verify that no vulnerable ADK versions are installed by checking product version information", "Ensure all affected Windows builds receive the latest cumulative updates after the patch", "Monitor Microsoft security advisories for any follow\u2011up notices or additional mitigations"], "summary": {"action": "Immediate Patch", "impact": "Local Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw affects Microsoft Windows ADK for Windows\u202f10 version\u202f2004, Windows\u202f11 versions\u202f22H2,\u202f23H2,\u202f24H2 and Windows\u202fServer\u202f2022 ADK. It also includes Windows\u202f10 ADK 2004 and Windows\u202fServer\u202f2022 ADK. Any installations of these components are susceptible.", "description_and_impact": "The vulnerability is a deserialization flaw in Windows System Image Manager that allows an attacker with local authorization to execute arbitrary code. This flaw is classified as CWE\u2011502 and, if exploited, would enable the attacker to run code with the permissions of the user, potentially compromising system integrity and allowing further lateral movement.", "risk_and_exploitability": "With a CVSS score of 7.8 the vulnerability is of moderate\u2011high severity. The EPSS score of below 1% indicates low likelihood of exploitation, and it is not listed in the CISA KEV catalog. The attack vector is inferred to be local; an attacker must be authorized on the system to exploit it. In the absence of a remote vector, the vulnerability presents a significant risk to systems that run the affected ADK components."}}}}, "created": "2026-03-11T11:46:26.562387+00:00", "updated": "2026-03-24T10:39:57.246645+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$windows_10_1607", "microsoft$PRODUCT$windows_10_1809", "microsoft$PRODUCT$windows_10_21h2", "microsoft$PRODUCT$windows_10_22h2", "microsoft$PRODUCT$windows_11_22h3", "microsoft$PRODUCT$windows_11_23h2", "microsoft$PRODUCT$windows_11_24h2", "microsoft$PRODUCT$windows_11_25h2", "microsoft$PRODUCT$windows_11_26h1", "microsoft$PRODUCT$windows_server_2016", "microsoft$PRODUCT$windows_server_2016_(server_core_installation)", "microsoft$PRODUCT$windows_server_2019", "microsoft$PRODUCT$windows_server_2019_(server_core_installation)", "microsoft$PRODUCT$windows_server_2022", "microsoft$PRODUCT$windows_server_2022,_23h2_edition_(server_core_installation)"]}