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CVE-2026-28958· NVD / CVE Program· CNA apple

This issue was addressed with improved data protection.

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.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
May 11, 2026
Updated
Aug 17, 2026
EPSS
0.2% · 5th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
appleipados
appleiphone os
applemacos
applevisionos

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apple ipadosbefore 26.5
  • apple iphone osbefore 26.5
  • apple macos26.0 and later · before 26.5
  • apple visionosbefore 26.5

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

  • Apple iOS and iPadOS

    • before 18.7.10affected
    • before 26.5affected

  • Apple macOS

    • before 26.5affected

  • Apple Safari

    • before 26.5affected

  • Apple visionOS

    • before 26.5affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8webkit2gtk3before 2.52.4-1.el8_102.52.4-1.el8_10
AlmaLinux:8webkit2gtk3-develbefore 2.52.4-1.el8_102.52.4-1.el8_10
AlmaLinux:8webkit2gtk3-jscbefore 2.52.4-1.el8_102.52.4-1.el8_10
AlmaLinux:8webkit2gtk3-jsc-develbefore 2.52.4-1.el8_102.52.4-1.el8_10
AlmaLinux:9webkit2gtk3before 2.52.4-1.el9_82.52.4-1.el9_8
AlmaLinux:9webkit2gtk3-develbefore 2.52.4-1.el9_82.52.4-1.el9_8
AlmaLinux:9webkit2gtk3-jscbefore 2.52.4-1.el9_82.52.4-1.el9_8
AlmaLinux:9webkit2gtk3-jsc-develbefore 2.52.4-1.el9_82.52.4-1.el9_8
Debian:12webkit2gtkall versions—
Debian:12wpewebkitall versions—
Debian:13webkit2gtkbefore 2.52.5-1~deb13u12.52.5-1~deb13u1
Debian:14webkit2gtkbefore 2.52.4-12.52.4-1
Debian:14wpewebkitbefore 2.52.4-12.52.4-1
openSUSE:Leap 16.0webkit2gtk3before 2.52.4-160000.1.12.52.4-160000.1.1
openSUSE:Leap 16.0webkit2gtk3-soup2before 2.52.4-160000.1.12.52.4-160000.1.1
openSUSE:Leap 16.0webkit2gtk4before 2.52.4-160000.1.12.52.4-160000.1.1
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3before 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debuginfobefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debugsourcebefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-develbefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-devel-debuginfobefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jscbefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-debuginfobefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-develbefore 0:2.52.4-1.el8_100:2.52.4-1.el8_10

+81

Same product

apple: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-30860An integer overflow was addressed with improved input validation.KEV
    84Now
  • CVE-2025-43300An out-of-bounds write issue was addressed with improved bounds checking.KEV
    80Now
  • CVE-2023-41064A buffer overflow issue was addressed with improved memory handling.KEV
    77This week
  • CVE-2023-32434An integer overflow was addressed with improved input validation.KEV
    76This week
  • CVE-2025-24085A use after free issue was addressed with improved memory management.KEV
    75This week
  • CVE-2023-41993The issue was addressed with improved checks.KEV
    72This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:webkit2gtk32.52.4-1.el8_10 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-devel2.52.4-1.el8_10 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-jsc2.52.4-1.el8_10 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-jsc-devel2.52.4-1.el8_10 · AlmaLinux:8Package registry (OSV)
debian:webkit2gtk2.52.5-1~deb13u1 · Debian:13Package registry (OSV)
debian:wpewebkit2.52.4-1 · Debian:14Package registry (OSV)
opensuse:webkit2gtk32.52.4-160000.1.1 · openSUSE:Leap 16.0Package registry (OSV)
opensuse:webkit2gtk3-soup22.52.4-160000.1.1 · openSUSE:Leap 16.0Package registry (OSV)
opensuse:webkit2gtk42.52.4-160000.1.1 · openSUSE:Leap 16.0Package registry (OSV)
red hat:webkit2gtk30:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debuginfo0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debugsource0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel-debuginfo0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-debuginfo0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel-debuginfo0:2.52.4-1.el8_10 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkitgtk40:2.52.4-1.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-debuginfo0:2.52.4-1.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-devel0:2.52.4-1.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
rocky linux:webkit2gtk30:2.52.4-1.el8_10 · Rocky Linux:8Package registry (OSV)
suse:webkit2gtk32.52.4-160000.1.1 · SUSE:Linux Enterprise Server 16.0Package registry (OSV)
suse:webkit2gtk3-soup22.52.4-150600.12.68.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP7Package registry (OSV)
suse:webkit2gtk42.52.4-160000.1.1 · SUSE:Linux Enterprise Server 16.0Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-4373077 days apartA permissions issue was addressed with additional restrictions.
    39Monitor
  • CVE-2026-6473377 days apartThis issue was addressed with improved data protection.
    39Monitor
  • CVE-2025-43362238 days apartThe issue was addressed with improved checks.
    39Monitor
  • CVE-2025-31279286 days apartA permissions issue was addressed with additional restrictions.
    39Monitor
  • CVE-2025-30426406 days apartThis issue was addressed with additional entitlement checks.
    39Monitor
  • CVE-2025-31183406 days apartThe issue was addressed with improved restriction of data container access.
    39Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvd-secondary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

The bug in code

The whole CWE-200 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records