CVE-2026-43706

libxslt: Processing maliciously crafted web content may lead to an unexpected process crash

CVE-2026-43706 is fixed in 3 products on 1 platform, first by Tahoe 26.5.2, released June 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.5

MEDIUM

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0039

33rd percentile

A double free issue was addressed with improved memory management.

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Sequoia	15.7.8	Sequoia 15.7.8	Jul 27, 2026
Sonoma	14.8.8	Sonoma 14.8.8	Jul 27, 2026
Tahoe	26.5.2	Tahoe 26.5.2	Jun 29, 2026

Details

Published
June 29, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vendor advisory
https://support.apple.com/en-us/127595

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