CVE-2026-18273

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 11.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-10-18.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-08-20 16:14Z2 MO AGO

Last updated

2026-08-21 20:08Z2 MO AGO

Reserved

2026-07-29

Assigning CNA

zdi

Record state

PUBLISHED

Severity

Medium (CVSS 6.6)

CNA CVSS vector

CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-276Incorrect Default PermissionsBase

Data version

5.2

Document digest

347d8b54f8dc6fdbce2986539b242e09d9dd7f635572e055ce6c23f03ba6c6f5

• www.zerodayinitiative.comZDI-26-490https://www.zerodayinitiative.com/advisories/ZDI-26-490/x_research-advisory
• www.kenwood.comvendor-provided URLhttps://www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.htmlvendor-advisory