The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.
Conclusion & alert: CVE-2023-41990 is rated Critical Active Threat (86.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.69%). Core evidence: CISA KEV confirms active exploitation (added 2024-01-08) affecting Apple / Multiple Products. Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Apple Multiple Products Code Execution Vulnerability · CISA KEV detail
: 2024-01-08
: 2024-01-29
: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-25 | 2.76% | 2.69% | -0.07% |
| 2 | 2026-03-21 | 2.69% | 2.76% | +0.07% |
| 3 | 2026-01-29 | — | 2.69% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | ipados | < 15.7.8 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | ipados | >= 16.0, < 16.3 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 15.7.8 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | iphone_os | >= 16.0, < 16.3 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 11.7.9 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | >= 12.0.0, < 12.6.8 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | >= 13.0, < 13.2 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 16.3 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | < 9.3 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/HT213599 | Vendor Advisory |
| https://support.apple.com/en-us/HT213601 | Vendor Advisory |
| https://support.apple.com/en-us/HT213605 | Vendor Advisory |
| https://support.apple.com/en-us/HT213606 | Vendor Advisory |
| https://support.apple.com/en-us/HT213842 | Vendor Advisory |
| https://support.apple.com/en-us/HT213844 | Vendor Advisory |
| https://support.apple.com/en-us/HT213845 | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41990 | US Government Resource |