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CVE-2026-54990Remote Desktop Client Remote Code Execution Vulnerability

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

9.8 CRITICALEPSS 0.81%Not in KEVNVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
9.8CRITICAL3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8CRITICAL3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
8.8HIGH3.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CVE ID
CVE-2026-54990
Status
Analyzed
Assigner (CNA)
microsoft
Published
Jul 14, 2026
Last modified
2026-11-01 17:32 UTC
Weaknesses
  • CWE-122 · Heap-based Buffer Overflow

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 10:43 UTC.