What is CVE-2022-48503?
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.
The record classifies CVE-2022-48503 under weakness classes NVD-CWE-noinfo, CWE-129. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 6 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1176 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 3.2% probability of exploitation in the next 30 days, higher than 87.8% of all scored CVEs
- CISA KEV
- Listed since 2025-10-20, federal remediation deadline 2025-11-10
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2023-08-14, last modified 2025-10-21
Is CVE-2022-48503 being exploited?
CISA added CVE-2022-48503 to the Known Exploited Vulnerabilities catalog on 2025-10-20, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-11-10 under BOD 22-01. Weaponised exploit code for CVE-2022-48503 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 55 in the Threadlinqs vulnerability feed.
- trickest/cve (trickest)
Affected products and versions
- Apple: Safari, Ipados, Iphone Os, Macos, Tvos, Watchos
How to fix CVE-2022-48503
The record marks a vendor fix as available for CVE-2022-48503. Patch reference: https://support.apple.com/en-us/HT213841. Vendor advisory: https://support.apple.com/en-us/HT213340. Because CVE-2022-48503 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-11-10. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2022-48503
4 tracked threats in the Threadlinqs corpus reference CVE-2022-48503, either in the campaign’s CVE list or as an indicator on the campaign record.
- DeadTag campaign: Coruna and DarkSword iPhone exploit kits delivered via expired ad/analytics tags, compromised websites and malicious ads — HIGH · 2026-10-27
- Coruna and DarkSword iOS Spyware Delivered via Instagram Ads, Hijacked Expired Ad/Analytics Domains and Compromised PrestaShop Stores (DeadTag) — HIGH · 2026-10-27
- Coruna and DarkSword iOS Exploit Kits Compromise iPhones via Single Malicious Website (UNC6353, UNC6691, UNC6748, PARS Defense) — HIGH · 2026-10-14
- Coruna iOS Exploit Kit — Government-Grade 23-Exploit Arsenal Proliferates from Surveillance Vendor to Russian Espionage and Chinese Cybercriminals Targeting 42K+ Devices — CRITICAL · 2026-03-04
Sources
Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .