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7.8Alta KEV Usada en ransomware

CVE-2021-1732Windows Win32k Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 1803; Microsoft Windows 10 Version 1809; Microsoft Windows Server 2019; Microsoft Windows Server 2019 (Server Core installation) Publicada: (hace 5 años)

Explotación conocida — Microsoft Win32k Privilege Escalation Vulnerability

CISA confirmó el 03.11.2021 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 17.11.2021.

Acción requerida: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-1732

Descripción

Windows Win32k Elevation of Privilege Vulnerability

Debilidad (CWE): CWE-787

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 1803 —
microsoft windows 10 1809 —
microsoft windows 10 1909 —
microsoft windows 10 2004 —
microsoft windows 10 20H2 —
Microsoft Windows 10 Version 1803 10.0.0 – < publication
Microsoft Windows 10 Version 1809 10.0.0 – < publication
Microsoft Windows 10 Version 1909 10.0.0 – < publication
Microsoft Windows 10 Version 2004 10.0.0 – < publication
Microsoft Windows 10 Version 20H2 10.0.0 – < publication
microsoft windows server 1909 —
microsoft windows server 2004 —
Microsoft Windows Server 2019 10.0.0 – < publication
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – < publication
microsoft windows server 20H2 —
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 – < publication
Microsoft Windows Server version 2004 10.0.0 – < publication
Microsoft Windows Server version 20H2 10.0.0 – < publication

Referencias y parches

Coincidencias CPE (NVD) (9)
  • cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*

CVE recientes del mismo producto — Windows 10

7.0Alta
CVE-2026-108135

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