CVE-2026-43753
An out-of-bounds read was addressed with improved bounds checking.
Does this matter?
Lower severity and a low EPSS score (0.22%). 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
- 0.22% probability · 12th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
EPSS 0.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.