CVE-2022-48503
Actively exploited. CVE-2022-48503 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-20) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- An unspecified vulnerability in JavaScriptCore may lead to arbitrary code execution when processing web content.
- Who is affected
- Users of affected Apple products.
- Urgency
- Immediate action is required due to active exploitation and critical severity.
- Action
- Discontinue use of the affected products or apply available updates.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 87% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2022-48503: Apple Multiple Products Unspecified Vulnerabilitycisa-kev · 2025-10-20
External references
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[](https://www.csirts.com/cve/CVE-2022-48503)