Skip to main content

Mondoo

Vulnerability Management
Technology
Services

Solutions

Financial Services
Manufacturing
Healthcare

Resources

Blog
Vulnerability Database
Documentation
GitHub

Company

About
Careers
Partners
Contact

Legal

Privacy
Terms
Imprint

© 2026 Mondoo, Inc.

Log in Get Assessment

Vulnerability IntelligenceCVE-2026-28947

CVE-2026-28947

HIGH8.8

A use-after-free issue was addressed with improved memory management

Published May 11, 2026

Modified 1 months ago

Fix available

Details

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected Packages

macOS

macOS 26

Fixed in:

26.5

References

https://support.apple.com/en-us/127110

https://support.apple.com/en-us/127115

https://support.apple.com/en-us/127118

https://support.apple.com/en-us/127119

https://support.apple.com/en-us/127120

https://support.apple.com/en-us/127121

https://www.cve.org/CVERecord?id=CVE-2026-28947

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Ecosystems

Timeline

PublishedMay 11, 2026

ModifiedMay 13, 2026

CVE-2026-28947 | Mondoo Vulnerability Intelligence