Microsoft released patches for over 400 CVEs this Patch Tuesday, including one actively exploited zero-day and several critical remote code execution flaws that require no user interaction.
Security teams face the challenge of triaging this overwhelming volume while managing the risk of patching itself.
The zero-day that matters most
CVE-2026-68820 is the vulnerability demanding immediate attention. This use-after-free flaw in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a locally authenticated attacker with low privileges to gain SYSTEM-level access.
“The primary threat is local privilege escalation,” Mike Walters…
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