CVE-2026-12505

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

CVE-2026-12505 is fixed in 7 products on 1 platform, first by cifs-utils 2:7.4-1ubuntu0.26.04.3, released June 17, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
4th percentile

This update for cifs-utils fixes the following issue - CVE-2026-12505: cifs.upcall local privilege escalation via request_key-controlled namespace switch and NSS loading (bsc#1267389).

Where it's fixed

ProductFixed inFixReleased
Linux
cifs-utils · Debian 13.5 (trixie) 2:7.4-1+deb13u1 DEBIAN-CVE-2026-12505 Jun 18, 2026
cifs-utils · Debian 14 2:7.8-1 DEBIAN-CVE-2026-12505 Jun 18, 2026
cifs-utils · RHEL 10 7.6-1.el10_2 RHSA-2026:32990 Jun 30, 2026
cifs-utils · RHEL 8 0:7.0-5.el8_10 RHSA-2026:39575 Jul 18, 2026
cifs-utils · RHEL 9 0:7.6-2.el9_8 RHSA-2026:39576 Jul 18, 2026
cifs-utils · Ubuntu 22.04.1 LTS (jammy) 2:6.14-1ubuntu0.6 cifs-utils 2:6.14-1ubuntu0.6 Jul 3, 2026
cifs-utils · Ubuntu 24.04.5 LTS (noble) 2:7.0-2ubuntu0.5 cifs-utils 2:7.0-2ubuntu0.5 Jul 3, 2026
cifs-utils · Ubuntu 26.04.1 LTS (resolute) 2:7.4-1ubuntu0.26.04.3 cifs-utils 2:7.4-1ubuntu0.26.04.3 Jun 17, 2026
cifs-utils · almalinux 8 7.0-5.el8_10 ALSA-2026:39575 Jul 15, 2026
cifs-utils · almalinux 9 7.6-2.el9_8 ALSA-2026:39576 Jul 15, 2026
cifs-utils · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
cifs-utils · ol 10 0:7.6-2.el10_2 ELSA-2026-32990 Jul 21, 2026
cifs-utils · ol 8 0:7.0-5.el8_10 ELSA-2026-39575 Jul 15, 2026
cifs-utils · ol 9 0:7.6-2.el9_8 ELSA-2026-39576 Jul 15, 2026
cifs-utils · rocky 10 0:7.6-1.el10_2 RLSA-2026:32990 Jul 5, 2026
cifs-utils · rocky 8 0:7.0-5.el8_10 RLSA-2026:39575 Jul 23, 2026
cifs-utils · rocky 9 0:7.6-2.el9_8 RLSA-2026:39576 Jul 15, 2026
cifs-utils · sles 15.6 6.15-150400.3.21.1 SUSE-SU-2026:2699-1 Jun 30, 2026
cifs-utils · sles 15.7 6.15-150400.3.21.1 SUSE-SU-2026:2699-1 Jun 30, 2026
cifs-utils-debuginfo · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
cifs-utils-debugsource · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
cifs-utils-devel · RHEL 8 0:7.0-5.el8_10 RHSA-2026:39575 Jul 18, 2026
cifs-utils-devel · RHEL 9 0:7.6-2.el9_8 RHSA-2026:39576 Jul 18, 2026
cifs-utils-devel · almalinux 8 7.0-5.el8_10 ALSA-2026:39575 Jul 15, 2026
cifs-utils-devel · almalinux 9 7.6-2.el9_8 ALSA-2026:39576 Jul 15, 2026
cifs-utils-devel · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
cifs-utils-devel · ol 10 0:7.6-2.el10_2 ELSA-2026-32990 Jul 21, 2026
cifs-utils-devel · ol 8 0:7.0-5.el8_10 ELSA-2026-39575 Jul 15, 2026
cifs-utils-devel · ol 9 0:7.6-2.el9_8 ELSA-2026-39576 Jul 15, 2026
cifs-utils-info · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
pam_cifscreds · RHEL 8 0:7.0-5.el8_10 RHSA-2026:39575 Jul 18, 2026
pam_cifscreds · RHEL 9 0:7.6-2.el9_8 RHSA-2026:39576 Jul 18, 2026
pam_cifscreds · almalinux 8 7.0-5.el8_10 ALSA-2026:39575 Jul 15, 2026
pam_cifscreds · almalinux 9 7.6-2.el9_8 ALSA-2026:39576 Jul 15, 2026
pam_cifscreds · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026
pam_cifscreds · ol 10 0:7.6-2.el10_2 ELSA-2026-32990 Jul 21, 2026
pam_cifscreds · ol 8 0:7.0-5.el8_10 ELSA-2026-39575 Jul 15, 2026
pam_cifscreds · ol 9 0:7.6-2.el9_8 ELSA-2026-39576 Jul 15, 2026
pam_cifscreds-debuginfo · amzn 2023 7.7-144.amzn2023 ALAS2023-2026-2030 Aug 3, 2026

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.