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CVE-2026-26154

Windows Server Update Service (WSUS) Tampering Vulnerability

CVSS 7.5 HIGHEPSS 1.1%CWE-20
Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Productos afectados
Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)

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Referencias
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26154