Is CVE-2022-48503 being actively exploited?

Yes. CVE-2022-48503 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on October 20, 2025.

What is the CVSS score for CVE-2022-48503?

CVE-2022-48503 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2022-48503

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 3.2%EU EUVD: exploited

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.

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-129
EPSS score: 3.2% (88th percentile)
In CISA KEV: Yes, added October 20, 2025
In EU EUVD: Yes (EUVD-2022-51199)
Published: August 14, 2023
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple Multiple Products Unspecified Vulnerability

Added to the KEV catalog on October 20, 2025; federal remediation due November 10, 2025.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-51199 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.

View on the EU Vulnerability Database

Affected products

apple / ipados
apple / iphone os
apple / macos
apple / safari
apple / tvos
apple / watchos

Certified products that may be affected

9 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Strong Customer Authentication pour Apple Pay sur Mac mini avec M1 et Magic keyboard avec Touch ID, exécutant macOS Monterey 12.3.1 (Version 12.3.1 (build 21E258)) - Apple Inc. - Common Criteria ANSSI-CC-2023/19 - active
Strong Customer Authentication pour Apple Pay sur MacBook Air 2020 avec M1 exécutant macOS Monterey 12.3.1 (Version 12.3.1 (build 21E258)) - Apple Inc. - Common Criteria ANSSI-CC-2023/16 - active
Strong Customer Authentication pour Apple Pay sur Apple Watch avec S7 exécutant watchOS 8.5.1 (Version 8.5.1 (build 19T252)) - Apple Inc. - Common Criteria ANSSI-CC-2023/17 - active
Strong Customer Authentication pour Apple Pay sur iPhone SE (2nde génération) avec A13 Bionic exécutant iOS 15.4.1 (Version 15.4.1 (build 19E258)) - Apple Inc. - Common Criteria ANSSI-CC-2023/15 - active
Strong Customer Authentication pour Apple Pay sur iPhone 13 avec A15 Bionic exécutant iOS 15.4.1 Version 15.4.1 (build 19E258) - Apple Inc. - Common Criteria ANSSI-CC-2023/18 - active

See all 9 in the Security Certifications Explorer.

References

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)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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