EUVD-2026-73531
GHSA-c456-5m28-5rcr
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible RDS requires low-privilege auth (PR:L); UAF heap exploitation under modern Windows mitigations warrants AC:H; full C/I/A impact from code execution.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
AnalysisAI
Remote code execution is possible in Windows Remote Desktop Services via a use-after-free memory corruption flaw, affecting Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025. An authenticated, network-connected attacker exploiting this flaw can achieve full compromise of confidentiality, integrity, and availability on the target system. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must be an authorized user - holding valid credentials sufficient to establish a Remote Desktop Services session against the target host (PR:L per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H yields a score of 7.5, reflecting a meaningful but not trivially exploitable vulnerability. … 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 | Vendor-released patch: Apply the Microsoft security update that raises affected Windows 11 and Server 2025 builds to the fixed versions - Windows 11 23H2 to ≥10.0.22631.7582, Windows 11 24H2/Server 2025 to ≥10.0.26100.9445 (client) or ≥10.0.26100.33438 (server), Windows 11 25H2 to ≥10.0.26200.9445, and Windows 11 26H1 to ≥10.0.28000.2954. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Immediately identify and inventory all Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025 systems with Remote Desktop Services enabled, particularly those internet-facing. …
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External POC / Exploit Code
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