Big August update fixes dozens of security flaws in Windows and Office

Yesterday was Patch Tuesday for September, and Microsoft provided security updates that address 80 new vulnerabilities.

Microsoft categorized eight of the vulnerabilities in Windows and Office as critical, but none of them have been exploited for attacks in the wild yet. Sadly, Microsoft provides sparse details on the security vulnerabilities for self-searching in the Security Update Guide .

The next Patch Tuesday is scheduled for October 14th, 2025. That’s also the long-awaited date of Windows 10’s end of support. Don’t wait until it’s too late! Learn what your options are going forward .

Critical Windows vulnerabilities

A large number of the vulnerabilities—58 this time—are spread across the various Windows versions for which Microsoft still offers security updates: Windows 10, W