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CVE record · CVE-2026-15779

Samba-winbind: samba: pam_winbind mkhomedir chowns critical system paths without validation

CVSS 6.1 MediumEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: redhat) at 15 Jul 2026, 12:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 Package name: samba-winbind https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: samba-winbind https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unknown
Red Hat Red Hat Enterprise Linux 7 Package name: samba-winbind https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: samba-winbind https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: samba-winbind https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2026-15779
CNA
redhat
Weakness (CWE)
CWE-732
Tags
Published
15 Jul 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.1 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0015, the 4th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 15 Jul 2026, 12:33 UTC Confirmed by the CVE List
  2. 15 Jul 2026, 13:17 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.