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Fencer Vulns
high 7.8

CVE-2016-1813 json

The IOAccelSharedUserClient2::page_off_resource method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS befor…

published 2016-05-20 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2908

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

The IOAccelSharedUserClient2::page_off_resource method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (NULL pointer dereference) via a crafted app.

Patch / fix

  • apple watchos 2.2.1
  • apple iphone_os 9.3.2
  • apple mac_os_x 10.11.5
  • apple tvos 9.2.1

Timeline

  1. Published
  2. First public exploit (EDB-39924)

Exploit prediction

4.92% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-39924 Apple Mac OSX Kernel - NULL Dereference in IOAccelSharedUserClient2::page_off_resource dos, 2016-06-10
  • bugs.chromium.org https://bugs.chromium.org/p/project-zero/issues/detail?id=778 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 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns 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.