CVE-2021-1647
Microsoft Defender Remote Code Execution Vulnerability
CVSS
—
Sem CVSS
EPSS
39.7%
p99
KEV
SIM
3 de nov. de 2021
Exploit Today
80
0-100
Publicado: — · Última mod.: —
39.4%EPSS · 30 dias39.7%
2026-10-082026-11-05
Produto
Microsoft / Defender
Vulnerabilidade
Microsoft Defender Remote Code Execution Vulnerability
Adicionado ao KEV
3 de nov. de 2021
Corrigir até
17 de nov. de 2021
Uso conhecido em ransomware
Não
Descrição resumida
Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.
Ação necessária
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-1647
CVECVSSEPSSKEVRExploitTítuloMod.
CVE-2026-454984.0 MÉD99.2%
KEV—80Microsoft Defender Denial of Service Vulnerability106dCVE-2026-338257.8 ALT94.0%
KEV—78Microsoft Defender Insufficient Granularity of Access Control Vulnerability104dCVE-2022-44698—99.5%
KEV—80Microsoft Defender SmartScreen Security Feature Bypass Vulnerability—CVE-2026-41091—94.9%
KEV—78Microsoft Defender Link Following Vulnerability—