EUVD-2026-73806
GHSA-g6jj-w8j5-9jjr
Severity by source
AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Physical access required (AV:P), no privileges needed (PR:N), user interaction required (UI:R); impact is read-only memory disclosure (C:H, I:N, A:N).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Xbox allows an unauthorized attacker to disclose information with a physical attack.
AnalysisAI
Out-of-bounds read in the Xbox component on Windows allows a physically-present attacker to disclose sensitive memory contents. Affecting a wide range of Windows 10 and Windows 11 builds (plus Windows Server 2016/2019), the flaw is triggered via a physical interaction, yielding high confidentiality impact with no integrity or availability consequence. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Physical access to the target machine is required - the CVSS AV:P vector is the primary limiting condition, making remote exploitation impossible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate-to-low despite the CVSS 4.3 score, primarily because AV:P constrains exploitation to actors with physical device access - a scenario that already implies a serious security perimeter breach. … 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 Microsoft-released cumulative updates that bring affected builds to or above the patched thresholds: Windows 10 1607/Server 2016 to 10.0.14393.9512 or later, Windows 10 1809/Server 2019 to 10.0.17763.9245 or later, Windows 10 21H2 to 10.0.19044.7725 or later, Windows 10 22H2 to 10.0.19045.7725 or later, and Windows 11 23H2/24H2/25H2/26H1 to their respective patched builds. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
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