CVE-2017-2404
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedAn issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Quick Look" component. It allows remote attackers to trigger telephone calls to arbitrary numbers via a tel: URL in a PDF document, as exploited in the wild in October 2016. Source description excerpt; complete tracked detail loads below.
NVD published: Apr 2, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedApple — iphone_os. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Apr 2, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 439.3
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · VulnCheck KEV
VulnCheck KEV added: Apr 1, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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