Microsoft August 2025 Patch Tuesday Fixes A 0-Day And Over 100 Security Flaws

This month's edition of Microsoft Patch Tuesday fixes hundreds of security flaws, including 13 critical flaws and a zero-day vulnerability. It also contains security updates to vulnerabilities initially patched in July's Patch Tuesday.

One of the issues addressed is tracked as CVE-2025-53786, which impacts Microsoft Exchange Server. When exploited, attackers could access a company's cloud through a hacked Exchange Server. Another critical issue in Microsoft Word could let attackers access your PC when you simply view a malicious Word file in the Preview Pane, without even opening it. That's really dangerous, and we are glad that the flaw has been patched.

The Patch Tuesday also addressed two very serious bugs that impact how Windows renders graphics. These flaws are tracked as CVE-2025-53766 and CVE-2025-50165. Successful exploitation could allow hackers to run harmful code on your computer just by getting it to load a malicious graphic on ...