EUVD-2026-73368
GHSA-m6wq-482q-8vj9
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only access (AV:L), low-privileged session required (PR:L), no interaction needed; full CIA impact once privilege boundary is crossed on the same system (S:U).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Improper authorization in XBox Gaming Services allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Xbox Gaming Services (versions 19.0.0.0 through <37.114.10001.0) allows a low-privileged authenticated local attacker to gain full SYSTEM-level or administrator access via improper authorization checks (CWE-285). The CVSS 7.8 (AV:L/AC:L/PR:L/UI:N) reflects straightforward exploitation requiring only an existing user session with no additional complexity. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privileged authenticated local user session on a Windows 10/11 system running Xbox Gaming Services versions 19.0.0.0 through <37.114.10001.0. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately frames this as a local privilege escalation with straightforward mechanics: low complexity, no user interaction, and full CIA impact once exploited. … 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 | Update Xbox Gaming Services to version 37.114.10001.0 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, scan your Windows environment using endpoint management tools to identify all systems running Xbox Gaming Services versions 19.0.0.0 through 37.114.10001.0, with particular focus on administrative workstations and shared systems. …
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External POC / Exploit Code
Leaving vuln.today