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TI-2021-12211 Aliases CVE-2021-32537GHSA-crfq-x56q-fh5h

Realtek High definition audio Windows driver crashed

Priority LOW 29CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0044 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RealtekHDA driver8155 – 9150—No fix listedCNA
  • HDA driver VendorRealtek Affected 8155 – 9150 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:*8155 – 9150VulnerableRealtek
  • cpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:* Versions 8155 – 9150 Vulnerable ·Realtek

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32537
  2. 2026-10-03 Alias added: GHSA-crfq-x56q-fh5h
  3. 2026-10-08 CISA SSVC decision points changed

References

Exploit 1

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences