CVE-2026-28861
Summary
| CVE | CVE-2026-28861 |
|---|---|
| State | PUBLISHED |
| Assigner | apple |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-25 01:17:10 UTC |
| Updated | 2026-07-15 02:19:17 UTC |
| Description | A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Problem Types: NVD-CWE-noinfo | CWE-79 | CWE-346 | A malicious website may be able to access script message handlers intended for other origins | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CWE-346 Origin Validation Error
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| 3.1 | ADP | CVSS | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Apple | Safari | affected 26.4 custom | Not specified |
| CNA | Apple | IOS And IPadOS | affected 18.7.7 custom | Not specified |
| CNA | Apple | IOS And IPadOS | affected 26.4 custom | Not specified |
| CNA | Apple | MacOS | affected 26.4 custom | Not specified |
| CNA | Apple | VisionOS | affected 26.4 custom | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| support.apple.com/en-us/126793 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| support.apple.com/en-us/126794 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| support.apple.com/en-us/126799 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| support.apple.com/en-us/126800 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| access.redhat.com/security/cve/CVE-2026-28861 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| support.apple.com/en-us/126792 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-03-30T12:37:40.953Z | Reported to Red Hat. |
| ADP | 2026-03-28T20:00:00.000Z | Made public. |
There are currently no legacy QID mappings associated with this CVE.