ReviewHigh

CVE-2026-18534

The Browser Company of New York ArcSearch

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
7.4
EPSS
0.31%
23.4% percentile
CISA KEV
Not listed
Published
2026.08.19
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.31%
Technical severityCVSS 7.4

Vulnerability overview

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.

Affected product and versions

Product
The Browser Company of New York ArcSearch
Affected versions
< 1.48.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that The Browser Company of New York ArcSearch and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
CWE
CWE-1021