CVE-2026-64727PATCHED

apple · macos

CVE-2026-64727: A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6.

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.

Affected Products

Vendor	Product	Versions
apple	macos	0, 0

Also Affects

Downstream vendors/products affected by this vulnerability

Vendor	Product	Source	Confidence
apple	macos	cert_advisory	90%
apple	tvos	cve_cpe	95%

References

Related News (3 articles)

Tier B

BSI Advisories15d ago

[NEU] [hoch] Apple macOS (Tahoe, Sonoma und Sequoia): Mehrere Schwachstellen

→ No new info (linked only)

Tier B

CERT-FR16d ago

Multiples vulnérabilités dans les produits Apple (28 juillet 2026)

→ No new info (linked only)

Tier C

VulDB16d ago

CVE-2026-64727 | Apple macOS/tvOS up to 26.5 type confusion

→ No new info (linked only)

CVSS 3.19.8 CRITICAL

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

CISA KEV❌ No

Actively exploited❌ No

Patch available

26.6

PublishedJul 27, 2026

Trending Score11

Source articles3

Independent3

Info Completeness0/14

Missing: cve_id, title, description, vendor, product, versions, cvss, epss, cwe, kev, exploit, patch, iocs, mitre_attack

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Related CVEs (5)

HIGHCVE-2026-65400EXPKEV

CVE-2026-65400: An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS

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CRITICALCVE-2026-64767

CVE-2026-64767: A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma

Trending: 33

NONECVE-2026-65370

CVE-2026-65370: ServiceTalk HTTP/1.x incorrectly handles malformed Transfer-Encoding which could result in request smuggling attacks. Th

Trending: 20

CRITICALCVE-2026-43810

CVE-2026-43810: The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15

Trending: 12

CRITICALCVE-2026-43773

CVE-2026-43773: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS So

Trending: 11

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Verification

State: unverified

Confidence: 0%

Vulnerability Timeline

CVE Published

Jul 27, 2026

Discovered by ZDM

Jul 27, 2026

Patch Available

Jul 28, 2026