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7.8Alta

CVE-2026-20860Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2 Publicada: (hace 9 meses)

Descripción

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Debilidad (CWE): CWE-843

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
microsoft windows 10 1607 10.0.14393.0 – < 10.0.14393.8783
microsoft windows 10 1809 10.0.17763.0 – < 10.0.17763.8276
microsoft windows 10 21H2 10.0.19044.0 – < 10.0.19044.6809
microsoft windows 10 22H2 10.0.19045.0 – < 10.0.19045.6809
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.8783
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.8276
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.6809
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.6809
microsoft windows 11 23H2 10.0.22631.0 – < 10.0.22631.6491
microsoft windows 11 24H2 10.0.26100.0 – < 10.0.26100.7623
microsoft windows 11 25H2 10.0.26200.0 – < 10.0.26200.7623
Microsoft Windows 11 version 23H2 10.0.22631.0 – < 10.0.22631.6491
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.7623
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.7623
microsoft windows server 2008 r2
microsoft windows server 2008 R2 6.1.7601.0 – < 6.1.7601.28117
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – < 6.1.7601.28117
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – < 6.1.7601.28117
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – < 6.0.6003.23717
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – < 6.0.6003.23717
microsoft windows server 2008 sp2 6.0.6003.0 – < 6.0.6003.23717
Microsoft Windows Server 2012 6.2.9200.0 – < 6.2.9200.25868
Microsoft Windows Server 2012 R2 6.3.9600.0 – < 6.3.9600.22968
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – < 6.3.9600.22968
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – < 6.2.9200.25868
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.8783
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.8783
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.8276
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.8276
Microsoft Windows Server 2022 10.0.20348.0 – < 10.0.20348.4648
microsoft windows server 2022 23h2 < 10.0.25398.2092
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – < 10.0.25398.2092
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.32230
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.32230
microsoft windows server 23h2 10.0.25398.0 – < 10.0.25398.2092

Referencias y parches

Coincidencias CPE (NVD) (19)
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.8783
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.8783
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.8276
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.8276
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.6809
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.6809
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* < 10.0.22631.6491
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.7623
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* < 10.0.26200.7623
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.8783
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.8276
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.4648
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.2092
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.32230

CVE recientes del mismo producto — Windows 10

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Windows Backup Engine Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2; Microsoft Windows 11 version 23H2; Microsoft Windows 11 Version 23H2

Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.

6.5Media
CVE-2026-108129

Role: DNS Server Information Disclosure Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

1.1%EPSS