CVE-2026-85748

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

1.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 67.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-20.

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

2026-10-16 16:28Z12 DAYS AGO

Last updated

2026-10-16 16:54Z12 DAYS AGO

Reserved

2026-09-04

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

b189eda824cf150efa9c35d92afbdc772ed5a8132ec00e7cc247f71d4a1915e3

• github.comhttps://github.com/MariaDB/server/security/advisories/GHSA-mv8g-9f7q-hprmx_refsource_CONFIRM
• github.comhttps://github.com/MariaDB/server/commit/91156c3de58762196605150ab3f756fe952592d1x_refsource_MISC
• github.comhttps://github.com/MariaDB/server/commit/9b075b2cb53338f67e7230cc585e02d2d34514edx_refsource_MISC
• github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-12.3.3x_refsource_MISC
• github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-13.0.2x_refsource_MISC
• jira.mariadb.orghttps://jira.mariadb.org/browse/MDEV-40396x_refsource_MISC
• jira.mariadb.orghttps://jira.mariadb.org/browse/MDEV-40639x_refsource_MISC