First day on Intigriti: our agent harness found and proved a remote code execution bug, paid €3,000.

CVE-2026-69801

HighCVSS 7.8/10Last modified Sep 24, 2026

Description

Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7725
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7725
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7582
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7582
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9445
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9445
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.2954
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9245
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5622
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33438
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33438

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69801Vendor Advisory, Patch

Timeline

Published: Sep 8, 2026
Last modified: Sep 24, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-698028.1Weak authentication in Network Device Enrollment Service (NDES) allows an unauthorized attacker to execute code over a network.CVE-2026-698037.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to disclose information over a network.CVE-2026-698047.5Time-of-check time-of-use (toctou) race condition in Microsoft Office SharePoint allows an authorized attacker to execute code over a networ CVE-2026-698058.1External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.CVE-2026-698067.0Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.CVE-2026-698078.0Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an authorized attacker to elevat CVE-2026-698085.5Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.CVE-2026-698097.5Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over CVE-2026-69816.3A vulnerability was found in IhateCreatingUserNames2 AiraHub2 up to 3e4b77fd7d48ed811ffe5b8d222068c17c76495e. Affected is the function conne CVE-2026-698138.1Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.CVE-2026-698147.0Use after free in Windows Credential Providers allows an authorized attacker to elevate privileges locally.CVE-2026-698167.0Use after free in Windows Accounts Control allows an authorized attacker to elevate privileges locally.

CVE-2026-69801: High severity, CVSS 7.8 | Vulnix