EUVD-2026-73596
GHSA-54mj-qfq4-2547
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack vector, low-privilege authenticated access required, high complexity race condition; full system compromise on success, no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
AnalysisAI
Use-after-free memory corruption in Windows Audio Service enables local privilege escalation across the full Windows ecosystem, from Windows 10 1607 through Windows 11 26H1 and all supported Windows Server releases from 2012 through 2025. The CVSS vector (AV:L/AC:H/PR:L) confirms a locally authenticated attacker must navigate high-complexity exploit conditions - likely a race or timing attack on the audio service's memory lifecycle - before achieving full C:H/I:H/A:H impact, including arbitrary code execution at elevated privilege. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a locally authenticated low-privileged account (PR:L) - the CVSS vector confirms the attacker must already have interactive or remote desktop access to the target system with at minimum standard user privileges. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 7.0 reflects a genuine but conditionally exploitable local privilege escalation. … 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 | Microsoft has released security updates for all affected Windows versions via the standard Windows Update mechanism and MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69692. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and catalog all Windows 10 (1607 and later), Windows 11 (all builds), and Windows Server (2012 through 2025) systems in your environment; prioritize systems with elevated user populations or sensitive data access. …
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Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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