Buffer overflow in Dell Update Package Framework
CVE-2026-86358
Dell Update Package Framework, versions prior to 26.07.03, contains a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Remote execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/en-us/000509455/dsa-2026-417-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-86358?
- CVE-2026-86358 is a medium-severity vulnerability in Dell Update Package Framework, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-09-16.
- How severe is CVE-2026-86358?
- Medium severity. CVSS v3 base score is 6.5 out of 10.