CVE-2021-1647
Microsoft Defender Remote Code Execution Vulnerability
CVSS
—
Sin CVSS
EPSS
39.4%
p99
KEV
SÍ
3 nov 2021
Exploit Today
80
0-100
Publicado: — · Última mod.: —
39.4%EPSS · 30 días39.4%
2026-09-162026-10-14
Producto
Microsoft / Defender
Vulnerabilidad
Microsoft Defender Remote Code Execution Vulnerability
Añadido a KEV
3 nov 2021
Remediar antes de
17 nov 2021
Uso conocido en ransomware
No
Descripción resumida
Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.
Acción requerida
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-1647
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-454984.0 MED69.2%
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KEV—60Microsoft Defender Insufficient Granularity of Access Control Vulnerability83dCVE-2022-44698—99.5%
KEV—80Microsoft Defender SmartScreen Security Feature Bypass Vulnerability—CVE-2026-41091—37.0%
KEV—61Microsoft Defender Link Following Vulnerability—