What is CVE-2026-18534?

CVE-2026-18534 is a high-severity vulnerability in The Browser Company Of New York Arcsearch, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 7.4/10. Published 2026-08-18.

How severe is CVE-2026-18534?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in The Browser Company Of New York Arcsearch

CVE-2026-18534

ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.

Affected products

The Browser Company Of New York Arcsearch

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

59469e6c-7ea7-446f-8e43-06aa32c115e8

Frequently asked questions

What is CVE-2026-18534?: CVE-2026-18534 is a high-severity vulnerability in The Browser Company Of New York Arcsearch, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 7.4/10. Published 2026-08-18.
How severe is CVE-2026-18534?: High severity. CVSS v3 base score is 7.4 out of 10.