CVE-2022-31226

highpriority · track · 31EPSS 0.002 · 11 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 7.8 · high

Is it mine?

26 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Dell BIOS versions contain a Stack-based Buffer Overflow vulnerability. A local authenticated malicious user could potentially exploit this vulnerability by sending excess data to a function in order to gain arbitrary code execution on the system.

cvss

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

7.8

010

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · security_alert@emc.comexploitability 1.8 · impact 5.2

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-121US

affected products (26)

Products and version ranges known to be affected.

Dell CPG BIOSunspecified → 21Q4 platformsenisa_euvdEU
dell chengming 3900 firmware< 1.1.66nvdUScpe:2.3:o:dell:chengming_3900_firmware:*:*:*:*:*:*:*:*
dell inspiron 14 plus 7420 firmware< 1.2.0nvdUScpe:2.3:o:dell:inspiron_14_plus_7420_firmware:*:*:*:*:*:*:*:*
dell inspiron 16 plus 7620 firmware< 1.2.0nvdUScpe:2.3:o:dell:inspiron_16_plus_7620_firmware:*:*:*:*:*:*:*:*
dell inspiron 3910 firmware< 1.1.66nvdUScpe:2.3:o:dell:inspiron_3910_firmware:*:*:*:*:*:*:*:*
dell inspiron 5320 firmware< 1.1.0nvdUScpe:2.3:o:dell:inspiron_5320_firmware:*:*:*:*:*:*:*:*
dell inspiron 5420 firmware< 1.4.1nvdUScpe:2.3:o:dell:inspiron_5420_firmware:*:*:*:*:*:*:*:*
dell inspiron 5620 firmware< 1.4.1nvdUScpe:2.3:o:dell:inspiron_5620_firmware:*:*:*:*:*:*:*:*
dell inspiron 7420 firmware< 1.3.0nvdUScpe:2.3:o:dell:inspiron_7420_firmware:*:*:*:*:*:*:*:*
dell inspiron 7620 firmware< 1.3.0nvdUScpe:2.3:o:dell:inspiron_7620_firmware:*:*:*:*:*:*:*:*
dell optiplex 3000 firmware< 1.1.66nvdUScpe:2.3:o:dell:optiplex_3000_firmware:*:*:*:*:*:*:*:*
dell optiplex 3000 thin client firmware< 1.0.7nvdUScpe:2.3:o:dell:optiplex_3000_thin_client_firmware:*:*:*:*:*:*:*:*
dell optiplex 5000 firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_5000_firmware:*:*:*:*:*:*:*:*
dell optiplex 5400 firmware< 1.0.13nvdUScpe:2.3:o:dell:optiplex_5400_firmware:*:*:*:*:*:*:*:*
dell optiplex 7000 firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_7000_firmware:*:*:*:*:*:*:*:*
dell optiplex 7000 oem firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_7000_oem_firmware:*:*:*:*:*:*:*:*
dell optiplex 7400 firmware< 1.0.13nvdUScpe:2.3:o:dell:optiplex_7400_firmware:*:*:*:*:*:*:*:*
dell precision 3460 small form factor firmware< 1.3.62nvdUScpe:2.3:o:dell:precision_3460_small_form_factor_firmware:*:*:*:*:*:*:*:*
dell precision 3660 tower firmware< 1.3.71nvdUScpe:2.3:o:dell:precision_3660_tower_firmware:*:*:*:*:*:*:*:*
dell precision 5770 firmware< 1.6.0nvdUScpe:2.3:o:dell:precision_5770_firmware:*:*:*:*:*:*:*:*

showing 20 of 26

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-09-12modified 2026-06-17

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+16120 more

references (5)

External citations — patches, advisories, analysis.

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