HIGH
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
Published May 20, 2016
7.8
HIGHCVSS 3.0
EPSS 4.92%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.92% 0.04925
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04925
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.92% (0.04925) | 91.85th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.92% (0.04925) | 91.73th | v5 (v2026.06.15) |
| Sep 21, 2026 | 10.24% (0.10239) | 95.53th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.92% (0.04925) | 91.55th | v5 (v2026.06.15) |
| Sep 5, 2026 | 10.24% (0.10239) | 95.43th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.92% (0.04925) | 91.50th | v5 (v2026.06.15) |
| Aug 28, 2026 | 10.24% (0.10239) | 95.41th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.92% (0.04925) | 91.45th | v5 (v2026.06.15) |
| Aug 23, 2026 | 10.24% (0.10239) | 95.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.92% (0.04925) | 90.98th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.94% (0.03942) | 87.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.00% (0.06996) | 85.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.94% (0.03942) | 87.57th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.47% (0.02467) | 89.73th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.59% (0.00590) | 79.00th | v3 (v2023.03.01) |
| Jul 18, 2024 | 0.57% (0.00571) | 78.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00418) | 73.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00418) | 70.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.55% (0.06549) | 91.38th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.55% (0.06549) | 90.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.55% (0.06549) | 78.44th | v2 (v2022.01.01) |
Weaknesses (1)
References (13)
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://packetstormsecurity.com/files/137400/OS-X-IOAccelSharedUserClient2-page_off_resource-NULL-Pointer-Dereference.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/90694 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1035890 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=778 x_refsource_MISCExploitThird Party Advisory
- https://support.apple.com/HT206564 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206566 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206567 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206568 x_refsource_CONFIRMVendor Advisory
- https://www.exploit-db.com/exploits/39924/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published May 20, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1813
CISA Vulnrichment
Updated n/a