You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
performance monitor
About this tag
The performance monitor tag on WindowsForum.com covers discussions about the Windows Performance Monitor tool, including its use for tracking system slowdowns with Data Collector Sets in Windows 10 and 11. Recent threads also highlight critical security vulnerabilities, specifically CVE-2026-42974 and CVE-2026-42981, which are high-severity remote code execution flaws in the Windows Performance Monitor component affecting Windows 11, Windows Server 2022, and Windows Server 2025. These vulnerabilities have a CVSS score of 8.1 and were disclosed by Microsoft on June 9, 2026. The tag content spans both practical troubleshooting guidance and urgent security patch information for IT administrators and advanced users.
CVE-2026-42974 is a high-severity Windows Performance Monitor remote code execution vulnerability published by Microsoft on June 9, 2026, affecting Windows 11, Windows Server 2022, and Windows Server 2025, with public vulnerability trackers listing a CVSS 3.1 score of 8.1. The important point is...
Microsoft disclosed CVE-2026-42981 on June 9, 2026 as a high-severity Windows Performance Monitor remote code execution vulnerability affecting Windows 11, Windows Server 2022, and Windows Server 2025, with public listings assigning it a CVSS 3.1 score of 8.1 and Microsoft as the source. The...
Use Performance Monitor Data Collector Sets to Track and Fix Slowdowns in Windows 10/11
Difficulty: Intermediate | Time Required: 20 minutes
If your PC feels slow only at certain times—during gaming, startup, file copies, backups, or while a browser has too many tabs open—it can be hard to catch...