CVE-2026-69307
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Risk Assessment
A local attacker could exploit this vulnerability to gain elevated privileges, potentially leading to system takeover.
Recommendation
Apply the latest Windows security updates.
Other vulnerabilities in Windows USB Audio Class driver
See all- CVE-2026-69859High
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.
- 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-2026-69286Medium
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)
Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

