Patch Tuesday, April 2026 Edition
Summary
Microsoft's April Patch Tuesday addresses 167 vulnerabilities, including a zero-day in SharePoint Server and a disclosed weakness in Windows Defender. Additionally, Google Chrome has patched its fourth zero-day of 2026, and an Adobe Reader update fixes an actively exploited flaw allowing remote code execution.
IFF Assessment
FOE
This article highlights multiple zero-day vulnerabilities and actively exploited flaws, indicating new threats that defenders must urgently address.
Defender Context
Defenders should prioritize patching these vulnerabilities, especially those that are zero-days or actively exploited, as they represent immediate risks. Staying informed about Patch Tuesday updates from major vendors like Microsoft, Google, and Adobe is crucial for proactive defense.