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Vulnerability · Published May 11, 2026 · Assigned by apple

CVE-2026-28958

Medium 5.5

In plain English

A medium-severity information exposure in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 96.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.52.4-1.el8_10ALSA-2026:25918
AlmaLinux:9webkit2gtk32.52.4-1.el9_8ALSA-2026:25927
AlmaLinux:8webkit2gtk3-devel2.52.4-1.el8_10ALSA-2026:25918
AlmaLinux:9webkit2gtk3-devel2.52.4-1.el9_8ALSA-2026:25927
AlmaLinux:8webkit2gtk3-jsc2.52.4-1.el8_10ALSA-2026:25918
AlmaLinux:9webkit2gtk3-jsc2.52.4-1.el9_8ALSA-2026:25927
AlmaLinux:8webkit2gtk3-jsc-devel2.52.4-1.el8_10ALSA-2026:25918
AlmaLinux:9webkit2gtk3-jsc-devel2.52.4-1.el9_8ALSA-2026:25927
Debian:12webkit2gtkno fix listedDEBIAN-CVE-2026-28958
Debian:13webkit2gtk2.52.5-1~deb13u1DEBIAN-CVE-2026-28958
Debian:14webkit2gtk2.52.4-1DEBIAN-CVE-2026-28958
Debian:12wpewebkitno fix listedDEBIAN-CVE-2026-28958
Debian:13wpewebkitno fix listedDEBIAN-CVE-2026-28958
Debian:14wpewebkit2.52.4-1DEBIAN-CVE-2026-28958
Rocky Linux:8webkit2gtk30:2.52.4-1.el8_10RLSA-2026:25918
Rocky Linux:9webkit2gtk30:2.52.4-1.el9_8RLSA-2026:25927
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2026-28958
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2026-28958
Ubuntu:22.04:LTSwebkit2gtkno fix listedUBUNTU-CVE-2026-28958
Ubuntu:24.04:LTSwebkit2gtk2.52.6-0ubuntu0.24.04.1USN-8703-1
Ubuntu:24.04:LTSwebkit2gtk2.52.6-0ubuntu0.24.04.1UBUNTU-CVE-2026-28958
Ubuntu:26.04:LTSwebkit2gtk2.52.6-0ubuntu0.26.04.1USN-8703-1
Ubuntu:26.04:LTSwebkit2gtk2.52.6-0ubuntu0.26.04.1UBUNTU-CVE-2026-28958
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2026-28958

Affected products (as reported)

VendorProductVersions
Apple Safari 0 – before 26.5
Apple iOS and iPadOS 0 – before 18.7.100 – before 26.5
Apple macOS 0 – before 26.5
Apple visionOS 0 – before 26.5

Weakness: CWE-200 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References