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Fencer Intel
high 7.5

CVE-2025-43506 json

A logic error was addressed with improved error handling.

published 10mo ago modified last mo. also EUVD-2025-203139

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

A logic error was addressed with improved error handling. This issue is fixed in macOS Tahoe 26.1. iCloud Private Relay may not activate when more than one user is logged in at the same time.

Patch / fix

  • Apple macOS 26.1

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
10mo ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Apple macOS

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.