EUVD-2026-73002
GHSA-69vq-cvq9-c9xr
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable RDS service, low-privilege authentication required per description and CVSS PR:L, high complexity for heap overflow exploitation, full RCE impact across C/I/A.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
AnalysisAI
Heap-based buffer overflow in Windows Remote Desktop Services (RDS) enables low-privilege authenticated network attackers to achieve remote code execution across a broad range of Windows client and server platforms, from Windows Server 2012 through Windows Server 2025 and Windows 10 through Windows 11. The CVSS vector (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms the attack requires an authenticated session and elevated exploitation complexity, yielding a base score of 7.5. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privilege authenticated network session to the target system's Remote Desktop Services endpoint (typically TCP port 3389). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 score reflects a meaningful but non-trivial exploitation bar. … 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 relevant Windows cumulative security update for each affected platform to bring builds to or above the patched thresholds: Windows Server 2025 and Windows 11 24H2 to 10.0.26100.33438 (Server 2025) or 10.0.26100.9445 (Win 11 24H2); Windows Server 2022 to 10.0.20348.5622; Windows Server 2019 and Windows 10 1809 to 10.0.17763.9245; Windows Server 2016 and Windows 10 1607 to 10.0.14393.9512; Windows 11 23H2 to 10.0.22631.7582; Windows 11 25H2 to 10.0.26200.9445; Windows 11 26H1 to 10.0.28000.2954; Windows Server 2012 to 6.2.9200.26349; and Windows Server 2012 R2 to 6.3.9600.23397. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows systems running Remote Desktop Services and identify affected versions: Windows Server 2012 through 2025 and Windows 10 through 11. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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