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Medium 6.5Published Jul 7, 2021
CVE-2021-32537Realtek High definition audio Windows driver crashed
Updated under an hour ago ()
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It affects Realtek HDA driver. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- twcert
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Realtek HDA driver realtek:hda_driver (from the name) | from 8155 through 9150 | CNA record |
realtek hda_driver realtek:hda_driver | from 8155 through 9150 | NVD |
References
- https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.htmlx-refsource-misc
- http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.htmlx-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.