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TI-2026-80843 Aliases CVE-2026-112620GHSA-p2pf-744h-vrx3

Improper input validation in Apple operating systems enables denial of service

Priority MEDIUM 40CWE-20Published · Updated

Key facts

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

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

Summary

An Apple denial-of-service flaw affects iOS and iPadOS, macOS, tvOS and visionOS before 27.2. The source describes improper input validation (CWE-20) that can be triggered by an attacker in a privileged network position to cause a denial of service. The CVSS vector indicates no authentication or user interaction is needed for a network attacker to cause a high availability impact.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2. An attacker in a privileged network position may be able to cause a denial-of-service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00646 51st percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 27.2macOS (Apple): 27.2+2 more products

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 27.227.2Patch availableCNA
ApplemacOSbefore 27.227.2Patch availableCNA
AppletvOSbefore 27.227.2Patch availableCNA
ApplevisionOSbefore 27.227.2Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA
  • macOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA
  • tvOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA
  • visionOS VendorApple Affected before 27.2 Fixed in 27.2 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 27.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 27.2VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*27.0 to before 27.2VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 27.2VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 27.2VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 27.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 27.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 27.0 to before 27.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 27.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 27.2 Vulnerable ·Apple

Remediation

Update iOS and iPadOS, macOS, tvOS and visionOS to version 27.2 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 27.2
  • Fix · CNA macOS (Apple) Fixed in 27.2
  • Fix · CNA tvOS (Apple) Fixed in 27.2
  • Fix · CNA visionOS (Apple) Fixed in 27.2

Fixed in the same release

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

  • Release ·

    Apple visionOS 27.2

    124 records Highest priority Priority MEDIUM 34 MEDIUM, 90 LOW

    Other records, highest priority first

    • TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
    • TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
    • TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
    Show all 124 records →
  • Release ·

    Apple macOS 27.2

    78 records Highest priority Priority MEDIUM 23 MEDIUM, 55 LOW

    Other records, highest priority first

    • TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
    • TI-2026-80835 Out-of-bounds read in Apple iOS, iPadOS and macOS may leak memoryPriority MEDIUM 42
    • TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
    Show all 78 records →
Show 2 more groups
  • Release ·

    Apple tvOS 27.2

    72 records Highest priority Priority MEDIUM 16 MEDIUM, 56 LOW

    Other records, highest priority first

    • TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
    • TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
    • TI-2026-80853 Use-after-free in Apple Safari and iOS enables code executionPriority MEDIUM 41
    Show all 72 records →
  • Release ·

    Apple iOS and iPadOS 27.2

    40 records Highest priority Priority MEDIUM 10 MEDIUM, 30 LOW

    Other records, highest priority first

    • TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
    • TI-2026-80835 Out-of-bounds read in Apple iOS, iPadOS and macOS may leak memoryPriority MEDIUM 42
    • TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
    Show all 40 records →

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-112620
  2. 2026-10-27 Alias added: GHSA-p2pf-744h-vrx3
  3. 2026-11-04 CVSS score added · CISA ADP
  4. 2026-11-04 Weakness changed · CISA ADP
  5. 2026-11-04 CISA SSVC decision points changed
  6. 2026-11-05 EPSS moved to the 50th–90th percentile
  7. 2026-11-06 Priority changed: LOW → MEDIUM

References

Advisory 4

  • 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