CVE-2026-43794

WebKit: Processing maliciously crafted web content may lead to memory corruption

CVE-2026-43794 is fixed in Tahoe on 1 platform by Tahoe 26.6.2 (version 26.6.2), released August 17, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

HIGH

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0042

36th percentile

A memory corruption issue was addressed with improved memory handling. WebKit Bugzilla: 317317

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Tahoe	26.6.2	Tahoe 26.6.2	Aug 17, 2026

Details

Published
August 17, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://support.apple.com/en-us/148281

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