An out-of-bounds write issue was addressed with improved bounds checking
Published Sep 14, 2026
9.8
CRITICALCVSS 3.1
EPSS 1.08%
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.
Affected products
-
- Version 0StatusaffectedConstraints<26.7
- Version 0StatusaffectedConstraints<27
- Version
-
- Version 0StatusaffectedConstraints<15.8
- Version 0StatusaffectedConstraints<26.7
- Version 0StatusaffectedConstraints<27
- Version
-
- Version 0StatusaffectedConstraints<27
- Version
-
- Version 0StatusaffectedConstraints<27
- Version
-
- Version 0StatusaffectedConstraints<27
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apple | iOS and iPadOS | n/a |
| ||||||||||||
| Apple | macOS | n/a |
| ||||||||||||
| Apple | tvOS | n/a |
| ||||||||||||
| Apple | visionOS | n/a |
| ||||||||||||
| Apple | watchOS | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Sep 14, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.08% (0.01078) | 63.78th | v5 (v2026.06.15) |
| Sep 15, 2026 | 0.99% (0.00992) | 60.70th | v5 (v2026.06.15) |
References (8)
- https://support.apple.com/en-us/149034 Release NotesVendor Advisory
- https://support.apple.com/en-us/149035 Release NotesVendor Advisory
- https://support.apple.com/en-us/149036 Release NotesVendor Advisory
- https://support.apple.com/en-us/149037 Release NotesVendor Advisory
- https://support.apple.com/en-us/149038 Release NotesVendor Advisory
- https://support.apple.com/en-us/149041 Release NotesVendor Advisory
- https://support.apple.com/en-us/149042 Release NotesVendor Advisory
- https://support.apple.com/en-us/149043 Release NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.apple.com/en-us/149034 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149035 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149036 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149037 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149038 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149041 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149042 | Release NotesVendor Advisory | |
| https://support.apple.com/en-us/149043 | Release NotesVendor Advisory |
Change history (0)
No recorded changes yet.