CVE-2026-18280

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 16.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

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 16:19Z2 MO AGO

Last updated

2026-08-21 20:08Z2 MO AGO

Reserved

2026-07-29

Assigning CNA

zdi

Record state

PUBLISHED

Severity

Low (CVSS 3.9)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

b3a0e355ecfece2664913e8f1759df20854235b6b219c08bb33267c60c8a0e49

• www.zerodayinitiative.comZDI-26-473https://www.zerodayinitiative.com/advisories/ZDI-26-473/x_research-advisory
• www.sony.comvendor-provided URLhttps://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-9500es/software/00274922vendor-advisory