CVE-2025-43327Network attack vector

Address-bar spoofing from malicious websites

Published Sep 15, 2025 · Updated Sep 15, 2025

Address-bar spoofing in Apple Safari before 26 allows remote attackers to misrepresent a malicious website's address in the browser chrome. Apple has not disclosed the request-handling locus or faulty operation, describing only unspecified additional logic. Exploitation requires visiting attacker-controlled web content and can mislead users about the displayed site identity, with no reported code execution or service interruption.

CVSS severity6.5
Medium
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Address-bar spoofing in Apple Safari before 26 allows remote attackers to misrepresent a malicious website's address in the browser chrome. Apple has not disclosed the request-handling locus or faulty operation, describing only unspecified additional logic. Exploitation requires visiting attacker-controlled web content and can mislead users about the displayed site identity, with no reported code execution or service interruption.

The record

CVE
CVE-2025-43327
Published
Sep 15, 2025
Updated
Sep 15, 2025
Vendor
Apple
Product
Safari
Classifications
CWE-451, T1036
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <26

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · Safariversion=unspecified <26
Apple · macOSversion=unspecified <26

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-451User Interface (UI) Misrepresentation of Critical Information
T1036Masquerading

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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