Microsoft fixes 398 vulnerabilities in August Patch Tuesday — and a Windows zero-day requires immediate attention
Source Reddit Cybersecurity
Rated by Threat Radar
Data as of 12 Aug 2026, 17:26 UTC
What to do
AI-suggested
Apply the August 2026 Microsoft Patch Tuesday updates immediately to remediate the zero-day and other critical vulnerabilities. Since this is an official Microsoft patch release, the vulnerabilities are addressed by these updates. No additional vendor advisories or mitigations are provided in the source; therefore, timely patching is the primary recommended action.
Discussion
Microsoft's August 2026 Patch Tuesday addresses 398 vulnerabilities, including a critical Windows kernel privilege escalation zero-day actively exploited in the wild and four remote code execution flaws with CVSS scores of 9.8. This patch cycle is notable for the volume and severity of fixes, emphasizing the importance of immediate patching to mitigate high-risk vulnerabilities.
r/cybersecurity (opens in a new tab)u/Conscious-Comedian770 points0 comments
O Patch Tuesday de agosto inclui uma falha de escalonamento de privilégios do kernel já explorada em ataques do mundo real, além de quatro vulnerabilidades de RCE com pontuação CVSS de 9,8.
A Patch Tuesday de agosto de 2026 chegou com um número que se destaca até mesmo para quem está acostumado aos principais ciclos de patch da Microsoft: 398 vulnerabilidades corrigidas.
Mas olhando apenas para esse número, é fácil perder o que realmente importa...