CVE-2026-28958
published 2026-05-11CVE-2026-28958: This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app…
PriorityP424medium5.5CVSS 3.1
AVLACLPRNUIRSUCHINAN
EPSS
0.14%
3.8th percentile
This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5 | 26.5 |
| apple | ipados | < 26.5 | 26.5 |
| apple | iphone_os | < 26.5 | 26.5 |
| apple | macos | < 26.5 | 26.5 |
| apple | macos | >= 26.0 < 26.5 | 26.5 |
| apple | safari | < 26.5 | 26.5 |
| apple | visionos | < 26.5 | 26.5 |
| webkitgtk | webkitgtk | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Red Hat
webkitgtk: An app may be able to access sensitive user data
vendor_redhat·2026-06-02·CVSS 5.5
CVE-2026-28958 [MEDIUM] CWE-200 webkitgtk: An app may be able to access sensitive user data
webkitgtk: An app may be able to access sensitive user data
This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.
A flaw was found in WebKitGTK. Processing or loading malicious web content can allow an app to access sensitive user data due to improper data protection.
Statement: To exploit this flaw, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with a moderate severity.
Mitigation: Do not process or load untrusted web content with WebKitGTK.
In Red Hat Enterprise Linux 7, the following packages require WebKitGTK4: evolution-data-server, glade, gnome-boxes, gn
GHSA
GHSA-qwj9-ffgq-f34w: This issue was addressed with improved data protection
ghsa_unreviewed·2026-05-11
CVE-2026-28958 [MEDIUM] CWE-200 GHSA-qwj9-ffgq-f34w: This issue was addressed with improved data protection
This issue was addressed with improved data protection. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [fedora-all]
bugzilla·2026-06-02·CVSS 5.5
CVE-2026-28958 [MEDIUM] CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [fedora-all]
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [epel-all]
bugzilla·2026-06-02·CVSS 5.5
CVE-2026-28958 [MEDIUM] CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [epel-all]
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data
bugzilla·2026-06-02·CVSS 5.5
CVE-2026-28958 [MEDIUM] CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data
CVE-2026-28958 webkitgtk: An app may be able to access sensitive user data
This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.
Sans Isc
Apple Patches Everything, (Mon, May 11th)
blogs_sans_isc·2026-05-11·CVSS 5.5
CVE-2025-43524 [MEDIUM] Apple Patches Everything, (Mon, May 11th)
Apple Patches Everything
Published: 2026-05-11. Last Updated: 2026-05-11 22:19:13 UTC
by Johannes Ullrich (Version: 1)
0 comment(s)
Apple today released its typical feature update across it's operating systems (iOS, iPadOS, macOS, tvOS, watchOS, vision OS). With this update, Apple patched 84 different vulnerabilities. Updates are available for the "26" series of operating systems, as well as for the previous "18" version of iOS/iPadOS, and two versions back for macOS (version 14 and 15).
None of the vulnerabilities has been exploited. The number of addressed vulnerabilities is about average compared to similar Apple updates.
Figure: Number of Vulnerabilities patched for each security update. Last one in red at the end.
iOS 26.5 and iPadOS 26.5 iOS 18.7.9 and iPadOS 18.7.9 macOS Tahoe
2026-05-11
Published