CVE-2021-32537

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

CVSS 3.1

6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-25)

CWE

CWE-119

Published

2021-07-07

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• realtek:hda_driver

References

• http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html
• https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html
• http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html
• https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html

Check your stackJSON