Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack
Summary
Microsoft has released its monthly security updates, patching a total of 398 vulnerabilities. Notably, one of these is a Windows driver zero-day flaw, tracked as CVE-2026-68820, which is actively being exploited in the wild. Attackers can leverage this vulnerability, which allows for privilege escalation to SYSTEM level, with existing code execution on a compromised machine.
IFF Assessment
The patching of a zero-day vulnerability that is already under active attack represents a critical development for defenders, as it highlights an immediate threat that must be addressed.
Severity
CISA KEV: Listed as actively exploited. Federal patch due: August 25, 2026. Known ransomware use: Unknown.
Defender Context
This vulnerability's active exploitation means defenders must prioritize patching this specific flaw in Windows environments immediately. Monitoring for exploitation attempts targeting this driver should also be a high priority, as unpatched systems remain at significant risk of compromise and further lateral movement.