EUVD-2026-73847
GHSA-mfg3-g275-rx4v
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible RDS endpoint exploitable by any authenticated low-privileged user with no interaction; full C/I/A impact consistent with SYSTEM-level privilege escalation on session host.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
5DescriptionCVE.org
Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
AnalysisAI
Privilege escalation via out-of-bounds read in Windows Remote Desktop Services affects authenticated low-privileged users across a broad range of Windows 10, Windows 11, and Windows Server releases from 2012 through 2025. An attacker holding valid low-privileged credentials can exploit the CWE-125 memory flaw over the network to achieve full system compromise, with the vendor-assessed impact reaching C:H/I:H/A:H. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold valid low-privileged credentials granting RDS logon rights on the target (PR:L per CVSS vector) and network connectivity to the Remote Desktop Services endpoint, typically TCP 3389. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score reflects a network-accessible, low-complexity privilege escalation requiring only low-level authentication - a serious profile for any organization deploying Remote Desktop Services for remote workforce access. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patches via Windows Update, Microsoft Update Catalog, or WSUS per the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80096. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all Windows systems running Remote Desktop Services, including Windows 10, Windows 11, and Windows Server 2012 through 2025 editions, and obtain the relevant Microsoft patches for each affected platform. …
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Same weakness CWE-125 – Out-of-bounds Read
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External POC / Exploit Code
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