CVE-2021-32537

CVE-2021-32537 is a medium-severity vulnerability in Realtek Hda Driver with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-32537?
CVE-2021-32537 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-32537 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32537?
CVE-2021-32537 affects Realtek Hda Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32537?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32537 published?
CVE-2021-32537 was published on 2021-07-07 and last updated on 2026-06-17.

References

Affected products (1)

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