CVE-2016-4588: WebKit in Apple tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of servi

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HIGH 8.8MITIGATE

CVE-2016-4588 is a high-severity flaw (CVSS 8.8) affecting webkit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WebKit in Apple tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-119
Published	2016-07-22
Last modified	2026-06-17

Publisher (CNA): Apple Inc. · Vendor: apple

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2016-07-22 02:59 UTCPublished CVE record published
2026-06-17 00:47 UTCUpdated Record last modified

apple webkit MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webkit || rpm -q webkit || webkit --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-4588?

webkit: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-4588 being exploited?

CVE-2016-4588 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-4588 affect?

CVE-2016-4588 affects webkit. Severity is high (CVSS 8.8). WebKit in Apple tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

How urgent is CVE-2016-4588?

Priority 51/100. High severity

Software pages

WebKit vulnerabilities · Apple Safari and WebKit vulnerabilities · tvOS vulnerabilities

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References

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