What is CVE-2018-0526?

CVE-2018-0526 is a medium-severity vulnerability in Cybozu Office, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-06-26.

How severe is CVE-2018-0526?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Cybozu Office

CVE-2018-0526

Cybozu Office 10.0.0 to 10.7.0 allow remote attackers to display an image located in an external server via unspecified vectors.

Vulnerability class: Information Disclosure

Published 2018-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Cybozu Office

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

jvn.jp/en/jp/JVN51737843/index.html (Third Party Advisory, third-party-advisory)
support.cybozu.com/ja-jp/article/10030 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-0526?: CVE-2018-0526 is a medium-severity vulnerability in Cybozu Office, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-06-26.
How severe is CVE-2018-0526?: Medium severity. CVSS v3 base score is 4.3 out of 10.