CVE-2026-21533
Microsoft Windows Improper Privilege Management Vulnerability
CVSS
—
Sem CVSS
EPSS
4.2%
p91
KEV
SIM
10 de fev. de 2026
Exploit Today
77
0-100
Publicado: — · Última mod.: —
Produto
Microsoft / Windows
Vulnerabilidade
Microsoft Windows Improper Privilege Management Vulnerability
Adicionado ao KEV
10 de fev. de 2026
Corrigir até
3 de mar. de 2026
Uso conhecido em ransomware
Não
Descrição resumida
Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally.
Ação necessária
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21533 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21533