HIGH
The kernel in Apple iOS before 9.3, tvOS before 9.2, and watchOS before 2.2 does not properly restrict the execute permission, which allows attackers to bypass a code-signing protection mechanism via a crafted app
Published Mar 24, 2016
7.8
HIGHCVSS 3.0
EPSS 1.02%
Description
The kernel in Apple iOS before 9.3, tvOS before 9.2, and watchOS before 2.2 does not properly restrict the execute permission, which allows attackers to bypass a code-signing protection mechanism 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
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.02% 0.01019
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01019
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.02% (0.01019) | 62.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.02% (0.01019) | 58.72th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00189) | 38.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00215) | 60.44th | v3 (v2023.03.01) |
| Nov 9, 2023 | 0.21% (0.00215) | 59.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00198) | 55.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
- http://www.securitytracker.com/id/1035353 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.apple.com/HT206166 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206168 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT206169 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html | vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory | |
| http://www.securitytracker.com/id/1035353 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.apple.com/HT206166 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT206168 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT206169 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Mar 24, 2016
Updated Aug 5, 2024
Reserved Jan 13, 2016
Link CVE-2016-1751
CISA Vulnrichment
Updated n/a