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TI-2026-76705 Aliases CVE-2026-86977GHSA-pf5v-xx6f-ccgf

Incorrect authorization in Apple iOS and iPadOS may let apps place calls

Priority LOW 38CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

Apple iOS and iPadOS versions before 27 are affected. Incorrect authorization (CWE-863) may let an app initiate calls or send messages. A remote attacker without privileges or user interaction can trigger this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

An authorization issue was addressed with improved network restrictions. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to initiate calls or send messages.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 27

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 2727Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 27.0VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 27.0VulnerableApple
  • 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

Update Apple iOS to 27 and iPadOS to 27, which fix this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • 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 ·

    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-2026-76700 Race condition in Apple iOS, iPadOS and macOS lets apps escape sandboxPriority LOW 35
    • TI-2026-76704 Authorization flaw in Apple iOS, iPadOS and macOS exposes sensitive dataPriority LOW 24
    Show all 11 records →

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-86977
  2. 2026-10-29 CVSS score added · CISA ADP
  3. 2026-10-29 Weakness changed · CISA ADP
  4. 2026-10-29 CISA SSVC decision points changed
  5. 2026-10-29 Alias added: GHSA-pf5v-xx6f-ccgf

References

Advisory 1

  • 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