CVE-2026-69859
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
A time-of-check time-of-use (TOCTOU) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit the race to gain elevated privileges, potentially leading to full system control.
Recommendation
Install driver updates and restrict access to USB devices to trusted users.
Other vulnerabilities in Windows USB Audio Class driver
See all- CVE-2026-69707High
Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69687High
Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69571High
Heap-based buffer overflow in the Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69469Medium
An integer overflow or wraparound in the Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to elevate privileges with a physical attack.
- CVE-2026-69413High
Use after free in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69307High
Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69286Medium
A vulnerability in the Windows USB Audio Class driver (usbaudio.sys) causes an out-of-bounds read, allowing an authorized attacker to disclose information locally.
- CVE-2026-69270High
A heap-based buffer overflow in the Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
- CVE-2026-58528Medium
Out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information via a physical attack.
- CVE-2026-50453Medium
An out-of-bounds read vulnerability in the Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information via a physical attack.
Original NVD description (English source)
Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS