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Fencer Intel
high 7.8

CVE-2018-4206 json

An issue was discovered in certain Apple products.

published 2018-06-08 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15992

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Crash Reporter" component. It allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app that replaces a privileged port name.

Patch / fix

  • apple apple_tv 11.4
  • apple iphone_os 11.3.1
  • apple mac_os_x 10.13.4
  • apple watchos 4.3.1

Timeline

  1. First public exploit (EDB-44562)
  2. Published

Exploit prediction

4.80% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44562 Apple macOS/iOS - ReportCrash mach port Replacement due to Failure to Respect MIG Ownership Rules dos, 2018-04-30
  • bugs.chromium.org https://bugs.chromium.org/p/project-zero/issues/detail?id=1529 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.