CVE-2025-43357

User fingerprinting via Call History data exposure

Published Sep 15, 2025 · Updated Sep 15, 2025

Information disclosure in Apple iOS, iPadOS, and macOS allows attackers to fingerprint users through exposed Call History data. The Call History component fails to fully redact sensitive information before making it available to apps, exposing user-linked signals. A locally installed app and user interaction are required; the exposed fields and affected API path remain undisclosed.

CVSS severity3.3
Low
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Apple iOS, iPadOS, and macOS allows attackers to fingerprint users through exposed Call History data. The Call History component fails to fully redact sensitive information before making it available to apps, exposing user-linked signals. A locally installed app and user interaction are required; the exposed fields and affected API path remain undisclosed.

The record

CVE
CVE-2025-43357
Published
Sep 15, 2025
Updated
Sep 15, 2025
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-359
Attack vector
local
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 vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=unspecified <26
Apple · macOSversion=unspecified <26

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/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.

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No observations available

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

Weakness, pattern, technique

CWE-359Exposure of Private Personal Information to an Unauthorized Actor

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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