CVE-2025-62559

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{"analysis": {"en": {"generated_at": "2026-04-20T15:44:18.541714+00:00", "value": {"mitigation_remediation": ["Apply the latest Microsoft security update addressing CVE\u20112025\u201162559 immediately. This cumulative update corrects the use\u2011after\u2011free bug in Word.", "Limit the opening of unsandboxed Office documents by configuring the operating system to run Office applications in a restricted sandbox or by disabling macro execution for untrusted documents. Use features such as Office Online and Protected View to mitigate local impact.", "Enforce application whitelisting or AppLocker rules to block untrusted executables and monitor system logs for attempts to execute unauthorized code."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Microsoft products affected include Microsoft\u00a0365\u00a0Apps for Enterprise, Microsoft\u00a0Office\u00a02019, Office\u00a0LTSC\u00a02021, Office\u00a0LTSC\u00a02024, Office\u00a0LTSC for Mac\u00a02021 and 2024, Microsoft\u00a0SharePoint\u00a0Enterprise Server\u00a02016, Microsoft\u00a0SharePoint\u00a0Server\u00a02019, and Microsoft\u00a0Word\u00a02016. Specific version ranges are not detailed in the available data, so all current releases of these products should be considered vulnerable.", "description_and_impact": "A use\u2011after\u2011free flaw in Microsoft Office Word allows an unauthorized local attacker to execute arbitrary code on the victim\u2019s system. The vulnerability stems from improper memory management and is classified as CWE\u2011416. If successfully exploited, the attacker could gain the privileges of the user who opened the affected document, potentially leading to full system compromise.", "risk_and_exploitability": "The CVSS score of 7.8 indicates high severity, while the EPSS score of less than 1% suggests it is rarely seen in the wild and is not listed in the CISA KEV catalog The flaw requires a local attacker with the ability to open a crafted Office document; remote exploitation is not supported. Based on the description, it is inferred that an attacker can launch the exploit by having a user execute a malicious file, potentially escalating to broader system access if privileges are elevated."}}}}, "created": "2026-04-20T15:45:10.384465+00:00", "updated": "2026-04-20T15:45:10.384475+00:00", "vendors": []}