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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-80077

Microsoft Remote Desktop client for Windows Desktop: heap buffer overflow

Microsoft

CVE-2026-80077 · Published Sep 8, 2026 · updated Sep 22, 2026

High8.8
Fix: upgrade to 1.2.7279.0 or later
Microsoft advisory

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Affected versions

PackageAffectedFixed in
Remote Desktop client for Windows Desktop
Product
>= 1.2.0.0, < 1.2.7279.01.2.7279.0
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-122

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