What’s Vulnerable › Vulnerabilities

CVE-2021-36924

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-02 · updated 2026-06-17
• Weakness: CWE-367

Description

RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve a pool overflow (leading to Escalation of Privileges, Denial of Service, and Code Execution) via a crafted Device IO Control packet to a device.

Affected products

• Realtek Rtsupx Usb Utility Driver: through 1.14.0.0

References

• https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
• https://www.sentinelone.com/resources/category/report/
• https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf
• https://www.sentinelone.com/resources/category/report/

Get alerted when CVE-2021-36924 or the next vulnerability affects your stack