CVE-2026-28962

WebKit: Processing maliciously crafted web content may disclose sensitive user information

CVE-2026-28962 is fixed in Tahoe on 1 platform by Tahoe 26.5 (version 26.5), released May 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.5

HIGH

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0040

34th percentile

This issue was addressed with improved access restrictions. WebKit Bugzilla: 309698

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Tahoe	26.5	Tahoe 26.5	May 11, 2026

Details

Published
May 11, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://support.apple.com/en-us/127115

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