SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-2446

It allows remote attackers to execute arbitrary code via a crafted web site that leverages the mishandling of strict mode functions.

EXPLOIT ×2 ✓HIGH 8.8EPSS 8.26%

Does this matter?

2 public exploits are published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 8.3%. 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 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages the mishandling of strict mode functions.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
8.26% probability · 95th percentile
Public exploits
2 in Exploit-DB · verified · first 27 March 2017
CISA KEV
Not listed
Affected
apple/safari · apple/iphone os · apple/tvos
Source
product-security@apple.com
EPSS trend
0%5%10%21 September 2026: 9.38%22 September 2026: 8.26%27 October 2026: 8.26%21 September 202627 October 2026

EPSS moved from 9.4% on 21 September 2026 to 8.3% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (2)

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-41742source ↗Apple Safari - Builtin JavaScript Allows Function.caller to be Used in Strict Modemultiple · Google Security Researchdos27 March 2017yes
EDB-41741source ↗Apple Safari - 'DateTimeFormat.format' Type Confusionmultiple · Google Security Researchdos27 March 2017yes

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