CVE-2026-28859
Safari Sandbox Escape
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.
INFO
Published Date :
March 25, 2026, 1:17 a.m.
Last Modified :
June 30, 2026, 3:18 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-28859
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c |
Solution
- Update Safari to version 26.4.
- Update iOS and iPadOS to version 26.4.
- Update macOS to version 26.4.
- Update tvOS, visionOS, and watchOS to version 26.4.
Public PoC/Exploit Available at Github
CVE-2026-28859 has a 13 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-28859.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-28859 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-28859
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Makefile C Shell
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C Makefile Shell
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Makefile C Shell
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Makefile C Shell
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Makefile C Shell
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Makefile C Shell
update tr4mpass
Makefile Shell Perl C
Activation lock bypass research tool
Makefile C Shell
None
Makefile C Shell
None
Makefile C Shell
Free, open-source iCloud activation lock bypass tool. Remove iCloud lock from iPhone 5s through iPhone 15 Pro (iOS 12-26.1). Fully offline -- no servers, no payments. Supports checkm8 (A5-A11) and session activation (A12+).
Shell C Makefile
None
Free, open-source iCloud activation lock bypass tool. Remove iCloud lock from iPhone 5s through iPhone 15 Pro (iOS 12-26.1). Fully offline -- no servers, no payments. Supports checkm8 (A5-A11) and session activation (A12+).
activation-lock apple bypass-tool checkm8 dfu icloud-bypass ios iphone jailbreak security-research
Makefile C Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-28859 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-28859 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/o:redhat:rhel_els:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Server (v. 7 ELS)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:rhel_els:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux Server Optional (v. 7 ELS)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus_long_life:8.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_aus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream AUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_tus:8.8::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream TUS (v.8.8)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.0::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.0)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_e4s:9.2::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream E4S (v.9.2)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.4::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.4)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhel_eus:9.6::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream EUS (v.9.6)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-120 Added Reference https://access.redhat.com/errata/RHSA-2026:10702 Added Reference https://access.redhat.com/errata/RHSA-2026:11329 Added Reference https://access.redhat.com/errata/RHSA-2026:11814 Added Reference https://access.redhat.com/errata/RHSA-2026:13845 Added Reference https://access.redhat.com/errata/RHSA-2026:14659 Added Reference https://access.redhat.com/errata/RHSA-2026:16056 Added Reference https://access.redhat.com/errata/RHSA-2026:16695 Added Reference https://access.redhat.com/errata/RHSA-2026:19206 Added Reference https://access.redhat.com/errata/RHSA-2026:19535 Added Reference https://access.redhat.com/errata/RHSA-2026:22136 Added Reference https://access.redhat.com/errata/RHSA-2026:9692 Added Reference https://access.redhat.com/security/cve/CVE-2026-28859 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2453006 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28859.json -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apple', 'product': 'Safari', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'iOS and iPadOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'macOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'tvOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'visionOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}, {'vendor': 'Apple', 'product': 'watchOS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '26.4', 'versionType': 'custom'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-28859', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-03-25T19:29:45.173180Z'} -
Initial Analysis by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 26.4 Added Reference Type Apple Inc.: https://support.apple.com/en-us/126792 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126794 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126797 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126798 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126799 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126800 Types: Release Notes, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 25, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Added CWE CWE-125 Added CWE CWE-787 Added CWE CWE-416 -
New CVE Received by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added Description The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox. Added Reference https://support.apple.com/en-us/126792 Added Reference https://support.apple.com/en-us/126794 Added Reference https://support.apple.com/en-us/126797 Added Reference https://support.apple.com/en-us/126798 Added Reference https://support.apple.com/en-us/126799 Added Reference https://support.apple.com/en-us/126800