CVE-2026-10805
This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs.
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in NetworkManager. This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs. A local user can exploit this flaw to escalate privileges by triggering a script via a crafted MUD URL, provided an administrator has explicitly configured NetworkManager to use dhclient. This issue does not affect default configurations of NetworkManager.
- CVSS 3.1
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.18% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2026:58555
- https://access.redhat.com/errata/RHSA-2026:58572
- https://access.redhat.com/errata/RHSA-2026:61239
- https://access.redhat.com/errata/RHSA-2026:61243
- https://access.redhat.com/errata/RHSA-2026:61244
- https://access.redhat.com/errata/RHSA-2026:61341
- https://access.redhat.com/errata/RHSA-2026:61572
- https://access.redhat.com/errata/RHSA-2026:61580
- https://access.redhat.com/security/cve/CVE-2026-10805
- https://bugzilla.redhat.com/show_bug.cgi?id=2484613
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.