SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-40393

An authentication issue was addressed with improved state management.

HIGH 7.5EPSS 0.70%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An authentication issue was addressed with improved state management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14. Photos in the Hidden Photos Album may be viewed without authentication.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.70% probability · 53th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-306
Affected
apple/macos
Source
product-security@apple.com
EPSS trend
0%3%5%27 October 2026: 0.70%27 October 202627 October 2026

EPSS 0.7% 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.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.