CVE-2026-86913

CoreMedia: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory

CVE-2026-86913 is fixed in 2 products on 1 platform, first by Sequoia 15.8, released September 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.4

MEDIUM

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0033

26th percentile

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

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Sequoia	15.8	Sequoia 15.8	Sep 14, 2026
Tahoe	26.7	Tahoe 26.7	Sep 14, 2026

Details

Published
September 14, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Vendor advisory
https://support.apple.com/en-us/149042

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