xmldom: Processing Instruction Target Injection Bypasses requireWellFormed

High 1 CVE Published Sep 6, 2026 at 3:20 PM UTC

Summary

Mariner

See the Microsoft Security Update Guide for the update that applies to your product.

Sep 6, 2026 at 3:20 PM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 7, 2026 at 12:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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