Live › incident › INC-anthropic-r1pqn1kb4hvk
Go to dashboardAnthropic's status page reported degraded functionality for Claude Cowork on Windows, and the incident is marked resolved. The sources do not describe an attacker-usable flaw; the cause was a Windows-side issue fixed by Microsoft's September 14 update.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:12 UTC. All times on this page are UTC.
| Product | Ecosystem | Affected | Fixed in |
|---|
| Anthropic | vendor | – | – |
Unknown from the sources.
Install the Microsoft Windows 11 September 14 security update (KB5129195 for 24H2/25H2) as linked in the incident; the incident itself is resolved.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
This issue has been resolved. Microsoft has released a September 14 Windows update that fixes it: https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update
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