CVE-2026-84627

Heap Buffer Overflow in Image Processing on Apple iOS, iPadOS, macOS, and visionOS

Published Oct 26, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2, visionOS 27. Processing a maliciously crafted image may lead to heap corruption.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Heap Buffer Overflow in Image Processing on Apple iOS, iPadOS, macOS, and visionOS
Type Values Removed Values Added
Title Heap Corruption via Buffer Overflow in Apple Image Processing
Weaknesses CWE-120
CWE-122
Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
Weaknesses CWE-787
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Heap Corruption via Buffer Overflow in Apple Image Processing
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple visionos
Weaknesses CWE-120
CWE-122
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple visionos
Type Values Removed Values Added
Description A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2, visionOS 27. Processing a maliciously crafted image may lead to heap corruption.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 3, 2026, 8:29 PM
Reserved
Sep 1, 2026, 9:13 PM
Status
Modified
Published
Oct 26, 2026, 9:20 PM
Modified
Nov 3, 2026, 9:17 PM