xmldom: Parser silently accepts a not-well-formed end tag whose name is followed by a line break and trailing content

Medium 1 CVE Published Sep 7, 2026 at 2:02 AM UTC

Summary

Mariner

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

Sep 7, 2026 at 2:02 AM 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.

Official bulletin How SecurityAlert builds this record

Your environment

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Keep following

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed