UNKNOWN Microsoft

CVE-2026-17545

PHP on Windows: Reserved Device Names Are Not Rejected Before File/Stream I/O which can cause DoS

Microsoft Security Update 2026-Sep: PHP on Windows: Reserved Device Names Are Not Rejected Before File/Stream I/O which can cause DoS

Affected Products

azl3 php 8.3.33-1 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-17545
https://nvd.nist.gov/vuln/detail/CVE-2026-17545

Published: 2026-09-08 · Source: Microsoft · Feed updated: 2026-11-10

This unknown severity vulnerability was published on 2026-09-08 via Microsoft. Affected: azl3 php 8.3.33-1 on Azure Linux 3.0.

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