TI-2026-76669 Aliases CVE-2026-84490 GHSA-mjw5-jpmc-vw8c

Authentication bypass in Apple iOS and iPadOS iPhone Mirroring

LOW 10CWE-287Published 2026-10-20 · Updated 2026-10-26

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.

Summary

Apple iOS and iPadOS before 27 contain an improper authentication flaw (CWE-287). An attacker with physical access to a locked device may bypass Digital ID authentication while iPhone Mirroring is active.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

This issue was addressed through improved state management. This issue is fixed in iOS 27 and iPadOS 27. An attacker with physical access to a locked device may be able to bypass Digital ID authentication when iPhone Mirroring is active.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00169 6th percentileScored 2026-11-07

Fix Fixed iOS and iPadOS (Apple): 27

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	iOS and iPadOS	before 27	27	Patch available	CNA

iOS and iPadOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 27.0	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 27.0	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple

Remediation

Apple fixes this in iOS 27 and iPadOS 27, so update affected devices to these versions.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA iOS and iPadOS (Apple) Fixed in 27

Fixed in the same release

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

Release · 2026-10-20
Apple iOS and iPadOS 27
11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2026-76687 Type confusion in Apple Safari and iOS allows code executionPriority MEDIUM 40
- TI-2026-76705 Incorrect authorization in Apple iOS and iPadOS may let apps place callsPriority LOW 38
- TI-2026-76700 Race condition in Apple iOS, iPadOS and macOS lets apps escape sandboxPriority LOW 35
Show all 11 records →

Timeline

2026-10-20 Threatist record created from CVE-2026-84490
2026-10-20 CVSS score added · CISA ADP
2026-10-20 Weakness changed · CISA ADP
2026-10-20 CISA SSVC decision points changed
2026-10-20 Alias added: GHSA-mjw5-jpmc-vw8c

References

Advisory 1

https://support.apple.com/en-us/149034

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