CVE-2022-26858: dell alienware_m15_r6_firmware Improper Authentication
CVSS: 7.8v3.1HighModified
Published 06-09-2022Last modified 27-05-2026
Vulnerability summary
CVE-2022-26858 is a high (CVSS 7.8) Improper Authentication vulnerability in dell alienware_m15_r6_firmware. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.2% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-09-2022PublishedVulnerability first disclosed.
- 27-05-2026Last modifiedVulnerability information updated.
Description
Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.1–7.8
- CVE.orgCNA6.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:NDiffers
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% on 20-09-2026
20-09-202620-10-2026
EPSS score0.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell200 products
- alienware_m15_r6_firmware< 1.8.0
- chengming_3980_firmware< 2.21.0
- chengming_3988_firmware< 1.9.0
- chengming_3990_firmware< 1.8.2
- chengming_3991_firmware< 1.8.2
1 vendor · 200 products · Showing 200 of 400. Use Open JSON for the complete list.