Live › vulnerability › CVE-2022-48503
Go to dashboardA flaw in Apple's JavaScriptCore engine lets specially crafted web content run arbitrary code on affected Apple devices and Safari. CISA reports it is being exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Apple Multiple Products | vendor | – | – |
| apple safari | vendor | < 15.6 | 15.6 |
| apple ipados | vendor | < 15.6 | 15.6 |
| apple iphone os | vendor | < 15.6 | 15.6 |
| apple macos | vendor | >= 12.0.0, < 12.5 | 12.5 |
| apple tvos | vendor |
| < 15.6 |
| 15.6 |
| apple watchos | vendor | < 8.7 | 8.7 |
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Apple macOS, iOS, tvOS, Safari, and watchOS contain an unspecified vulnerability in JavaScriptCore that when processing web content may lead to arbitrary code execution. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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