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CVE-2026-55009Microsoft Exchange Server Elevation of Privilege Vulnerability

Microsoft Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Microsoft Exchange Server 2019 Cumulative Update 14; Microsoft Microsoft Exchange Serv… Publicada: (hace 3 meses)

Descripción

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

Debilidad (CWE): CWE-502

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 exchange server 2016
microsoft exchange server 2016 15.01.0.0 – < 15.01.2507.071
microsoft exchange server 2019 15.02.0.0 – < 15.02.1544.043
microsoft exchange server se 15.02.0.0 – < 15.02.2562.045
microsoft exchange server subscription edition < 15.02.2562.045
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0 – < 15.01.2507.071
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 – < 15.02.1544.043
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0 – < 15.02.1748.048
Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 – < 15.02.2562.045

Referencias y parches

Coincidencias CPE (NVD) (4)

  • cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:* < 15.02.2562.045