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CVE-2016-4657

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a…

High8.8Known exploitedEPSS 66.8%
Published
Updated
Reserved
Assigned by
apple

Description

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Apple iOS Webkit Memory Corruption Vulnerability.

Added
24 May 2022
Fix due (US federal)
14 Jun 2022
Used by ransomware
Not known

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Scores

CVSS scores of CVE-2016-4657, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
66.8% · top 0.7% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (8)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .