CVE-2021-32537

Realtek High definition audio Windows driver crashed

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.

Affected

Realtek · HDA driver

CVSS v3.1 CERT

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

CVSS v2.0 NVD

4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS

0.44% chance of exploitation in the next 30 days, 36th percentile

Published

2021-07-07

Updated

2026-10-08

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html
• 0vercl0k/CVE-2021-3253755★ · 2021-06-26

Security advisories

• https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html

References

• CVE Record
• NVD entry

Related

• CVE-2019-11708
• CVE-2019-9810
• CVE-2021-24086
• CVE-2021-28476
• CVE-2021-31166
• CVE-2022-21971