SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-43753

An out-of-bounds read was addressed with improved bounds checking.

MEDIUM 4.6EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

An out-of-bounds read was addressed with improved bounds checking. 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. An attacker with physical access to a locked device may be able to view sensitive user information.

CVSS 3.1
4.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.24% probability · 15th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
apple/ipados · apple/iphone os · apple/macos
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.