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UK Cyber Defence
VulnerabilityModified

CVE-2017-7004

A race condition allows attackers to bypass intended entitlement restrictions for sending XPC messages via a crafted app.

EXPLOIT ✓HIGH 7.0EPSS 2.76%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. macOS before 10.12.5 is affected. The issue involves the "Security" component. A race condition allows attackers to bypass intended entitlement restrictions for sending XPC messages via a crafted app.

CVSS 3.0
7.0 HIGHCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.76% probability · 86th percentile
Public exploits
1 in Exploit-DB · verified · first 9 June 2017
CISA KEV
Not listed
Weakness
CWE-362
Affected
apple/iphone os · apple/mac os x
Source
product-security@apple.com
EPSS trend
0%3%5%21 September 2026: 4.79%22 September 2026: 2.76%27 October 2026: 2.76%21 September 202627 October 2026

EPSS moved from 4.8% on 21 September 2026 to 2.8% on 27 October 2026.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42145source ↗Apple macOS 10.12.3 / iOS < 10.3.2 - Userspace Entitlement Checking Race Conditionmultiple · Google Security Researchlocal9 June 2017yes

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