CVEs / CVE-2022-48503
CVE-2022-48503: Apple Multiple Products Unspecified Vulnerability
- Known exploited in the CISA KEV catalog since 20 Oct 2025
- high 8.8 CVSS 3.1 (NVD)
- EPSS 3.21% chance of exploitation in the next 30 days, higher than 88% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
Description
The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before 12.5 | 12.5 |
| Apple tvOS | from unspecified, before 15.6 | 15.6 |
| Apple Safari | from unspecified, before 15.6 | 15.6 |
| Apple watchOS | from unspecified, before 8.7 | 8.7 |
| Apple iOS and iPadOS | from unspecified, before 15.6 | 15.6 |
Exploitation
| In CISA KEV since | 20 Oct 2025 |
|---|---|
| Due date for US federal agencies | 10 Nov 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-129 |
References
- CVE-2022-48503 on NVD
- CVE-2022-48503 in the CISA KEV catalog
- https://support.apple.com/en-us/HT213340 (cited by CISA)
- https://support.apple.com/en-us/HT213341 (cited by CISA)
- https://support.apple.com/en-us/HT213342 (cited by CISA)
- https://support.apple.com/en-us/HT213345 (cited by CISA)
- https://support.apple.com/en-us/HT213346 (cited by CISA)
- CVE-2022-48503 on OSV
- https://support.apple.com/en-us/HT213340 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213341 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213342 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213345 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213346 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-48503 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.