CVE-2026-43773

critical · 9.8

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

9.8

CVSS

0.6%

EPSS (exploit prob.)

47th

EPSS percentile

2026-07-27

Published

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

Weaknesses

CWE-125

Affected products

Vendor	Product	Affected versions
apple	macos	>= 14.0, < 14.8.8
apple	macos	>= 15.0, < 15.7.8
apple	macos	>= 26.0, < 26.6

Check a specific version with /api/v1/cve/match.

References

https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-43773