The remote Windows host is missing security update 5055526. It is, therefore, affected by multiple vulnerabilities

  - Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a     network. (CVE-2025-26687)

  - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2025-27481)   
  - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2025-27740)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5055557. It is, therefore, affected by multiple vulnerabilities

  - Use after free in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a     network. (CVE-2025-26687)

  - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2025-27481)   
  - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2025-27740)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
234042	KB5055526: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (April 2025)	Nessus	Windows : Microsoft Bulletins	2025/4/8	2025/9/17	high
234049	KB5055557: Windows Server 2012 R2 Security Update (April 2025)	Nessus	Windows : Microsoft Bulletins	2025/4/8	2025/9/17	high

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high