CVE-2026-69687
HIGHCVSS 7.8/10EPSS 0.32%
Last modified
CVE-2026-69687 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9512 |
| Microsoft | Windows 10 1809 | < 10.0.17763.9245 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7725 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7725 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7582 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9445 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9445 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2954 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33438 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69687Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-69687?
Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-69687?
CVE-2026-69687 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69687?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-69681Heap-based buffer overflow in Virtual Hard Disk (VHD) Minipo…8
- CVE-2026-69682Use after free in Windows Host Guardian Service allows an au…7
- CVE-2026-69683Server-side request forgery (ssrf) in Microsoft Office Share…7.7
- CVE-2026-69684Generation of error message containing sensitive information…5.5
- CVE-2026-69685Heap-based buffer overflow in Windows Kerberos allows an aut…7.8
- CVE-2026-69686Stack-based buffer overflow in Microsoft Office Word allows …8.8
- CVE-2026-69688Heap-based buffer overflow in Windows Encrypting File System…7.1
- CVE-2026-69689Out-of-bounds read in Windows Win32K allows an authorized at…8
- CVE-2026-69690Improper neutralization of input during web page generation …5.4
- CVE-2026-69691Heap-based buffer overflow in Windows Spaceport.sys allows a…7.8
- CVE-2026-69692Use after free in Windows Audio Service allows an authorized…7
- CVE-2026-69693Use after free in Windows Device Association Broker service …7
Are you affected by CVE-2026-69687?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST