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CVE-2026-78463

Last refreshed2026-10-03

Status: UPDATED  |  Advisory ID: CVE-2026-78463

Key Details

CVECVE-2026-78463
CVSS Score / Version8.8 (High) / CVSS v3.1
Updated2026-09-22
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is required; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsMicrosoft remote_desktop_client and Microsoft Remote Desktop client for Windows Desktop
Classified asCWE-94 (Improper Control of Generation of Code ('Code Injection'))

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Microsoftremote_desktop_client
MicrosoftRemote Desktop client for Windows Desktop
SubsystemsGeneral OT
SectorsMultiple

What to Know

Improper control of generation of code ('code injection') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-78463
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-78463
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78463