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Microsoft Security Response CenterCVE-2026-69550

Windows App for Mac Information Disclosure Vulnerability

Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.

Read the vendor bulletin Get alerts for Windows App for Mac
6.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • Windows App for Mac

Versions the vendor lists as fixed

  • 11.3.9
Next step

What the vendor recommends

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

Review the complete instructions on the vendor's site
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • The vendor changed the advisory's last-updated date.
    • The vendor changed its remediation guidance.
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-69550View CVSS, KEV, EPSS, and threat context
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