Vulnerabilidades en Microsoft

10.810 resultados
Análisis Vexday

Com 8.642 CVEs catalogadas e 248 confirmadas em exploração ativa pelo CISA KEV, a taxa de exploração do portfólio Microsoft está 6,4 vezes acima da média geral do catálogo, o que indica exposição operacional significativamente elevada em relação ao universo de vendors monitorados. O tipo de falha mais recorrente é CWE-416 (use-after-free), uma classe de vulnerabilidade com alto potencial de execução arbitrária de código e historicamente difícil de mitigar em escala. A CVE mais crítica atualmente em exploração ativa é CVE-2019-0708, com EPSS de 1,0 — o valor máximo da escala —, sinalizando probabilidade de exploração praticamente certa no curto prazo e exigindo atenção prioritária em ambientes onde a correção ainda não foi aplicada. Os 561 registros surgidos nos últimos 90 dias, combinados com 320 CVEs com prova de conceito pública, reforçam a necessidade de ciclos de patching contínuos e monitoramento ativo de exposição.

CVE-2021-26433HIGHWindows Services for NFS ONCRPC XDR Driver Information Disclosure VulnerabilityEPSS 3.5%CVE-2021-27058HIGHMicrosoft Office ClickToRun Remote Code Execution VulnerabilityEPSS 3.5%CVE-2018-8247—An elevation of privilege vulnerability exists when Office Web Apps Server 2013 and Office Online Server fail to properly handle web requestEPSS 3.5%CVE-2019-0813—An elevation of privilege vulnerability exists when Windows Admin Center improperly impersonates operations in certain situations, aka 'WindEPSS 3.5%CVE-2023-21552HIGHWindows GDI Elevation of Privilege VulnerabilityEPSS 3.5%CVE-2019-0959HIGHWindows Common Log File System Driver Elevation of Privilege VulnerabilityEPSS 3.5%CVE-2026-50509HIGHWireless Wide Area Network Service (WwanSvc) Elevation of Privilege VulnerabilityEPSS 3.5%CVE-2023-24892HIGHMicrosoft Edge (Chromium-based) Webview2 Spoofing VulnerabilityEPSS 3.5%CVE-2019-0985HIGHMicrosoft Speech API Remote Code Execution VulnerabilityEPSS 3.5%CVE-2019-1318—A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft WindEPSS 3.5%CVE-2022-26824HIGHWindows DNS Server Remote Code Execution VulnerabilityEPSS 3.5%CVE-2022-26823HIGHWindows DNS Server Remote Code Execution VulnerabilityEPSS 3.5%CVE-2025-21181HIGHMicrosoft Message Queuing (MSMQ) Denial of Service VulnerabilityEPSS 3.5%CVE-2022-26924HIGHYARP Denial of Service VulnerabilityEPSS 3.5%CVE-2018-8153—A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka "MicroEPSS 3.5%CVE-2020-17122HIGHMicrosoft Excel Remote Code Execution VulnerabilityEPSS 3.5%CVE-2022-21904HIGHWindows GDI Information Disclosure VulnerabilityEPSS 3.5%CVE-2026-20843HIGHWindows Routing and Remote Access Service (RRAS) Elevation of Privilege VulnerabilityEPSS 3.5%CVE-2024-38021HIGHMicrosoft Outlook Remote Code Execution VulnerabilityEPSS 3.5%CVE-2018-8434—An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authEPSS 3.5%