Product
CompatTelRunner.exe
- First Reported
- Sep 8, 2026
- Latest Reported
- Sep 8, 2026
Reported Context (1)
- Microsoft says the August 2026 security update can cause 0xc0000409 errors on Windows Server 2016 systems when the Compatibility Appraiser diagnostic service is enabled, leading to recurring CompatTelRunner.exe crashes. August 2026 Update Triggers CompatTelRunner.exe Errors on Windows Server 2016
People (1)
Vendors (1)
Products (4)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.