SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-13887

In macOS High Sierra before 10.13.2, a logic issue existed in APFS when deleting keys during hibernation.

HIGH 7.5EPSS 0.82%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In macOS High Sierra before 10.13.2, a logic issue existed in APFS when deleting keys during hibernation. This was addressed with improved state management.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.82% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-320
Affected
apple/mac os x
Source
product-security@apple.com
EPSS trend
0%3%5%27 October 2026: 0.82%27 October 202627 October 2026

EPSS 0.8% 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.