CVE-2026-19033

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 ImpactpartialSuccessful exploitation gives limited 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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-26.

Red Hat severity

Moderate. 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

2026-09-16 14:10Z1 MO AGO

Last updated

2026-09-17 17:36Z1 MO AGO

Reserved

2026-08-06

Assigning CNA

isc

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-349Acceptance of Extraneous Untrusted Data With Trusted DataBase
• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.2

Document digest

7b87e4262315108e5ba44a390c81bd133cd4e9509681dc418be37d90f89308aa

• kb.isc.orgCVE-2026-19033https://kb.isc.org/docs/cve-2026-19033vendor-advisory
• downloads.isc.orghttps://downloads.isc.org/isc/bind9/9.20.29patch
• downloads.isc.orghttps://downloads.isc.org/isc/bind9/9.21.26patch