CVE-2026-86358: Dell Update Package Framework, versions prior to 26.07.03, contains a Stack-based Buffer Overflow vulnerabilit
CVE-2026-86358 is a medium-severity flaw (CVSS 6.5) affecting update package framework. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2026-09-16 |
| Last modified | 2026-09-21 |
Last updated 2026-09-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-86358?
update package framework: upgrade to 26.07.03. Exact commands for each OS are on this page.
Is CVE-2026-86358 being exploited?
CVE-2026-86358 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-86358 affect?
CVE-2026-86358 affects update package framework. Severity is medium (CVSS 6.5). 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 execut
How urgent is CVE-2026-86358?
Priority 31/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2026-71179 HIGH 7.3 UPGRADE Dell Update Package Framework, versions prior to 26.07.03, contains an Improper Neutralization of Special Elem
- CVE-2026-71180 HIGH 8.2 UPGRADE Dell Update Package Framework, versions prior to 26.07.03, contains an Unchecked Return Value vulnerability
- CVE-2026-71181 LOW 3.0 UPGRADE Dell Update Package Framework, versions prior to 26.07.03, contains an Improper Link Resolution Before File Ac
- CVE-2026-71182 LOW 3.0 UPGRADE Dell Update Package Framework, versions prior to 26.07.03, contains an Improper Link Resolution Before File Ac