HOMEVULNERABILITIESCVE-2022-48503
HIGHCISA KEVIN THE WILD

CVE-2022-48503

Published: October 20, 2025

EPSS:0.33%probability of exploitation in 30 daysPercentile:55.0th

Official Description

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.

NVD Source

CISA KEV Advisory

Apple Multiple Products Unspecified Vulnerability

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.

Added to KEV: 2025-10-20Federal patch deadline: 2025-11-10
Required Action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Apple macOS, iOS, tvOS, Safari, and watchOS contain an unspecified vulnerability in JavaScriptCore that could lead to arbitrary code execution when processing web content. This is a high-severity issue, and its inclusion in CISA's KEV catalog confirms active exploitation, making it an urgent concern despite a low EPSS score of 0.00325.

This vulnerability has been actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog. It is remotely exploitable via web content.

Recommended Action

Users should discontinue product utilization if the affected Apple products are end-of-life or end-of-service. Otherwise, update to the latest available versions.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-48503 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-48503 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

Affected Vendors & Products

Mentioned vendors (from description):
Apple
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
External links open in a new tab. Always verify in a controlled environment before use.

All References (6)

Quick Facts

CVE IDCVE-2022-48503
SeverityHIGH
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
EPSS (30d)0.33%
PublishedOct 20, 2025

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-48503 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.