CVE-2026-3012

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.9% of scored records. A rank, not a probability.

NVD base score

6.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-09-03.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-27 10:02Z3 MO AGO

Last updated

2026-09-03 14:09Z20 HR AGO

Reserved

2026-02-23

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.0)

CNA CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

63c9f34aeef04f3466b17d75e6c9e143437f60d978b354fbfe4787f93b186370

• access.redhat.comRHSA-2026:22644https://access.redhat.com/errata/RHSA-2026:22644vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:22963https://access.redhat.com/errata/RHSA-2026:22963vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:25049https://access.redhat.com/errata/RHSA-2026:25049vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:25979https://access.redhat.com/errata/RHSA-2026:25979vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:28053https://access.redhat.com/errata/RHSA-2026:28053vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:28054https://access.redhat.com/errata/RHSA-2026:28054vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:28055https://access.redhat.com/errata/RHSA-2026:28055vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:28056https://access.redhat.com/errata/RHSA-2026:28056vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:28057https://access.redhat.com/errata/RHSA-2026:28057vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:29863https://access.redhat.com/errata/RHSA-2026:29863vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:56786https://access.redhat.com/errata/RHSA-2026:56786vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:56853https://access.redhat.com/errata/RHSA-2026:56853vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:56911https://access.redhat.com/errata/RHSA-2026:56911vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:57483https://access.redhat.com/errata/RHSA-2026:57483vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:59831https://access.redhat.com/errata/RHSA-2026:59831vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:60019https://access.redhat.com/errata/RHSA-2026:60019vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-3012vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2447319https://bugzilla.redhat.com/show_bug.cgi?id=2447319issue-trackingx_refsource_REDHAT
• bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=16003
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3012.jsonx_sadp-csaf-vex