CVE-2026-43702 Apple - Buffer Overflow

Apple iOS 26.6, 26.7, iPadOS 26.6, 26.7, macOS Sequoia 15.8, macOS Tahoe 26.6, 26.7, tvOS 26.6, and watchOS 26.6 contain a buffer overflow caused by processing a maliciously crafted video file, letting attackers cause app termination or memory corruption, exploit requires crafted video file.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-119

Vendor fix

Update to iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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