CVE record · CVE-2026-12505

Cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall

CVSS 7.8 HighEPSS 0.0016 · 4th percentile

Published by the CVE Program (CNA: redhat) at 18 Jun 2026, 03:34 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
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	unaffected 0:7.6-1.el10_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	unaffected 0:7.0-5.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	unaffected 0:7.6-2.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	unaffected 0:7.6-2.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4.22 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/	unaffected 4.22.9.8.202607220526-0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 7 Package name: cifs-utils https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 5 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-12505
CNA: redhat
Weakness (CWE): CWE-250
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat OpenShift Container Platform 4.22
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat OpenShift Container Platform 4
Red Hat OpenShift Container Platform 5
Privilege escalation
Published: 18 Jun 2026
Updated: 4 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

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (redhat)Used for this record
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.0016, the 4th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

18 Jun 2026, 03:34 UTC Confirmed by the CVE List
18 Jun 2026, 04:16 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:32990 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:39575 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:39576 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:44232 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-12505 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2489805 issue-trackingredhat
git.samba.org/?p=cifs-utils.git;a=commit;h=972c5b5ff95e3e812bc8daa72d0383654ab0dba7

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.