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Ios And Ipados CVE-2026-64774

| EUVDEUVD-2026-49483 CRITICAL
Integer Overflow or Wraparound (CWE-190)
2026-07-27 apple GHSA-7xx4-m4v2-65j4
Integer Overflow Apple Buffer Overflow Ios And Ipados Tvos Visionos
9.8
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Generated
Jul 28, 2026 - 18:36 vuln.today
CVSS changed
Jul 28, 2026 - 16:22 NVD
9.8 (CRITICAL)
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:12 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 27, 2026 - 20:12 cve.org
CRITICAL 9.8

DescriptionCVE.org

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

AnalysisAI

We are tasked to produce a JSON object with specific fields based on a CVE. We must synthesize multiple intelligence sources: CVE description, CVSS, EPSS, CPE, tags, references, ENISA data. The output must be plain text paragraphs, not arrays/objects.

Let's analyze the input:

  • CVE-2026-64774
  • Description: "An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption."
  • CVSS Score: 9.8, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CWE: CWE-190 (Integer Overflow)
  • EPSS: 0.24%, percentile 16% (low)
  • Patch: Available from vendor (confirmed by description listing fixed versions)
  • Reported by: apple
  • CPE: multiple Apple products: iOS and iPadOS, macOS, tvOS, visionOS
  • Tags: Apple, Buffer Overflow, Ios And Ipados, Tvos, Visionos, Integer Overflow (note "Buffer Overflow" tag but it's integer overflow leading to heap corruption, maybe buffer overflow is a result)
  • ENISA EUVD: affected versions listed: macOS 0 <26.6, macOS 0 <15.7.8, iOS and iPadOS 0 <26.6, macOS 0 <14.8.8, visionOS 0 <26.6, tvOS 0 <26.6. It's weird: "macOS 0 <26.6" maybe means all macOS before 26.6? But they also mention specific Sequoia 15.7.8, Sonoma 14.8.8, Tahoe 26.6. So the affected versions are those prior to these specific fixed versions?
  • References: many Apple support URLs (128066 to 128072), likely each for a product.

Given the description, the integer overflow exists in some component (maybe kernel, a library) across Apple operating systems. It can be triggered remotely by an attacker, leading to unexpected application termination (DoS) or heap corruption (potentially code execution). CVSS says complete confidentiality, integrity, availability impact, but EPSS is low, KEV not mentioned. No POC mentioned. Tags include "Buffer Overflow" which might

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We need to output a JSON object with the specified fields, synthesizing from the provided CVE data. The input includes:

Same weakness CWE-190 – Integer Overflow or Wraparound

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CVE-2026-64774 vulnerability details – vuln.today
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