What is CVE-2022-34399?

CVE-2022-34399 is a medium-severity vulnerability in Dell Alienware M15 A6, classified under Buffer Access with Incorrect Length Value. CVSS score: 5.1/10. Published 2023-01-18.

How severe is CVE-2022-34399?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Buffer overflow in Dell Alienware M15 A6

CVE-2022-34399

Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability. A malicious user with admin privileges could potentially exploit this vulnerability by sending input larger than expected in order to leak certain sections of SMRAM.

Published 2023-01-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

www.dell.com/support/kbdoc/en-us/000205329/dsa-2022-317-dell-client-security-up… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34399?: CVE-2022-34399 is a medium-severity vulnerability in Dell Alienware M15 A6, classified under Buffer Access with Incorrect Length Value. CVSS score: 5.1/10. Published 2023-01-18.
How severe is CVE-2022-34399?: Medium severity. CVSS v3 base score is 5.1 out of 10.