Description
Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.9711 | 10.0.26100.9711 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.9711 | 10.0.26200.9711 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 – < 10.0.28000.3231 | 10.0.28000.3231 |
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0 – < 10.0.26300.9711 | 10.0.26300.9711 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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heluhule/sound-of-system ★ 0 · Nov 10, 2026
Windows 11 standard-user to SYSTEM elevation-of-privilege chain write-up (CVE-2026-97799, CVE-2026-116714).
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2026-3892 Microsoft Windows und Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
- MSRC-CVE-2026-97799 Windows Audio Service Elevation of Privilege Vulnerability Microsoft Security Response Center · Oct 13, 2026
References
- Windows Audio Service Elevation of Privilege Vulnerability vendor-advisory patch