AppleCVE-2026-43767

Apple macOS: memory corruption

Medium5.0CVE-2026-43767 · Published Jul 27, 2026 · updated Jul 30, 2026

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Apple advisory

Affected versions

Package	Affected	Fixed in
macOS Product	< 14.8.8	14.8.8
	< 15.7.8	15.7.8
	< 26.6	26.6

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-119, CWE-125, CWE-787

More Apple advisories

All Apple

Date	Advisory	Severity	Fixed in
Jul 27	Apple iOS and iPadOS: out-of-bounds write Critical9.8Jul 27 CVE-2026-6476918.7.10+3 more	Critical9.8	18.7.10+3 more
Jul 27	Apple iOS and iPadOS: out-of-bounds write Critical9.8Jul 27 CVE-2026-6477018.7.10+3 more	Critical9.8	18.7.10+3 more
Jul 27	Apple iOS and iPadOS: buffer overflow Critical9.8Jul 27 CVE-2026-6477118.7.10+2 more	Critical9.8	18.7.10+2 more
Jul 27	Apple iOS and iPadOS: out-of-bounds write Critical9.8Jul 27 CVE-2026-6477218.7.10+2 more	Critical9.8	18.7.10+2 more
Jul 27	Apple iOS and iPadOS: integer overflow Critical9.8Jul 27 CVE-2026-6477418.7.10+3 more	Critical9.8	18.7.10+3 more
Jul 27	A memory initialization issue was addressed with improved memory handling Critical9.8Jul 27 CVE-2026-6477526.6+2 more	Critical9.8	26.6+2 more

Affected versions

More Apple advisories

Critical advisories by email