TI-2026-46313 Aliases CVE-2026-64781 GHSA-w4mv-2jw7-j8hw

Improper input validation in Apple Safari

LOW 21CWE-20Published 2026-08-17 · Updated 2026-10-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

The issue was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00531 45th percentileScored 2026-11-07

Fix Partial Safari (Apple): 26.6.1iOS and iPadOS (Apple): 18.7.10, 26.6.1+2 more productsRed Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apple	Safari	before 26.6.1	26.6.1	Patch available	CNA
Apple	iOS and iPadOS	before 18.7.10; before 26.6.1	18.7.10, 26.6.1	Patch available	CNA
Apple	macOS	before 26.6.2	26.6.2	Patch available	CNA
Apple	visionOS	before 27	27	Patch available	CNA

Safari VendorApple Affected before 26.6.1 Fixed in 26.6.1 Patch available CNA
iOS and iPadOS VendorApple Affected before 18.7.10; before 26.6.1 Fixed in 18.7.10, 26.6.1 Patch available CNA
macOS VendorApple Affected before 26.6.2 Fixed in 26.6.2 Patch available CNA
visionOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 18.7.10; 26.0 to before 26.6.1	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 18.7.10; 26.0 to before 26.6.1	Vulnerable	Apple
cpe:2.3:o:apple:macos::::::::	26.0 to before 26.6.2	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.7.10; 26.0 to before 26.6.1 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.7.10; 26.0 to before 26.6.1 Vulnerable ·Apple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.6.2 Vulnerable ·Apple

Remediation

Fix · CNA Safari (Apple) Fixed in 26.6.1
Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.6.1
Fix · CNA macOS (Apple) Fixed in 26.6.2
Fix · CNA visionOS (Apple) Fixed in 27

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-08-17
Apple visionOS 27
29 records Highest priority Priority MEDIUM 3 MEDIUM, 26 LOW
Other records, highest priority first
- TI-2026-46546 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
- TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
Show all 29 records →
Release · 2026-08-17
Apple macOS 26.6.2
24 records Highest priority Priority MEDIUM 2 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
- TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
- TI-2026-46547 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 29
Show all 24 records →

Show 1 more group

Release · 2026-08-17
Apple Safari, iOS and iPadOS 18.7.10, 26.6.1
21 records Highest priority Priority MEDIUM 1 MEDIUM, 20 LOW
Other records, highest priority first
- TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
- TI-2026-46318 Use after free in Apple SafariPriority LOW 29
- TI-2026-46310 Information disclosure in Apple SafariPriority LOW 29
Show all 21 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope

Not affected: 3 products

Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2026-64781
2026-10-03 Alias added: GHSA-w4mv-2jw7-j8hw

References

Advisory 3

Other 2

TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8

See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences