Microsoft security advisory – August 2026 monthly rollup (AV26-804) – Update 3

Reported by Canadian Centre for Cyber Security

Summary by Cyber Security News24 Sep 2026, 16:48 CEST

About this summary. This is a short, independently written summary of an article first published by Canadian Centre for Cyber Security. Cyber Security News did not report or verify the underlying story. Read the original: https://cyber.gc.ca/en/alerts-advisories/microsoft-security-advisory-august-2026-monthly-rollup-av26-804

Serial Number: AV26-804 Date: August 11, 2026 Updated: September 24, 2026 As of August 11, 2026, Microsoft is affected by vulnerabilities in the following products: .NET 10.0 installed on Linux .NET 10.0 installed on Mac OS .NET 10.0 installed on Windows .NET 8.0 installed on Linux .NET 8.0 installed on Mac OS .NET 8.0 installed on Windows .NET 9.0 installed on Linux .NET 9.0 installed on Mac OS .NET 9.0 installed on Windows App Installer Application Insights Profiler Azure…

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Source attribution: headline and facts are from Canadian Centre for Cyber Security (cyber.gc.ca). Summary method: excerpt of the source description. See our source attribution policy.

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