EUVD-2026-73144
GHSA-2gf3-wg4x-vr2j
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local access with low-privilege account sufficient; no user interaction; full impact on the vulnerable system without scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
AnalysisAI
Heap-based buffer overflow in Windows Audio Service (AudioSrv) enables local privilege escalation to SYSTEM across a broad range of Windows 10, 11, and Windows Server versions. An attacker with a standard low-privilege local account can trigger the overflow without user interaction, achieving full confidentiality, integrity, and availability impact (C:H/I:H/A:H). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privilege local account on the affected Windows system - any standard interactive or remote-desktop user account is sufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score accurately reflects a local privilege escalation with low attack complexity and no required user interaction, making it a reliable and repeatable exploit path once local code execution exists. … 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 security update for your specific Windows version and build as documented in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69604. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all Windows 10, 11, and Windows Server systems and obtain the applicable Microsoft security patch for AudioSrv. …
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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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