CVE-2021-32537

mediumpriority · track · 30EPSS 0.004 · 38 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.44% (38th) EPSS

CVSS 4.9 · medium

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.16.5mediumAV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:Hsecondary · twcert@cert.org.twexploitability 2 · impact 4

v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

0vercl0k/CVE-2021-32537PoC for CVE-2021-32537: an out-of-bounds memory access that leads to pool corruption in the Windows kernel.PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Lenovo Computerall versionscert_bundDEcpe:/o:lenovo:lenovo_computer:-
Lenovo Computer Realtek HDA driver versionall versionscert_bundDEcpe:/o:lenovo:lenovo_computer:realtek_hda_driver_version
Realtek HDA driver≤ 8155 ≤9150enisa_euvdEU
Realtek Semiconductor Corp. Realtek High-Definition Audio (HDA) Drivers≤ 6.0.9354.1fstec_bduRU
realtek hda driver8155 → 9150nvdUScpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1418Lenovo Computer: Schwachstellen in mehreren TreibernDeutsch2022-09-13csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Lenovo Computer ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2021-07-07modified 2026-10-09

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+21023 more

references (7)

External citations — patches, advisories, analysis.

scry

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