Threat Intelligence / CVE / CVE-2023-41990

CVE-2023-41990 — Apple Ipados

CISA KEV
CVSS v3.1 7.8 (HIGH) · EPSS 2.6% (higher than 85.8% of all scored CVEs) · Priority 9/10 · Published 2023-09-12

As of 2025-10-23, CVE-2023-41990 is a HIGH-severity vulnerability in Apple Ipados, CVSS v3.1 7.8, EPSS 2.6% (85.8th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-01-08), with a US federal remediation deadline of 2024-01-29. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2023-41990, most recently “Coruna Exploit Framework — Updated Operation Triangulation iOS Exploit Kit (CVE-2023-32434, CVE-2023-38606)”.

Last updated: 2025-10-23

What is CVE-2023-41990?

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.

The record classifies CVE-2023-41990 under weakness class NVD-CWE-noinfo. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 5 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1097 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.8 — HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (FIRST)
2.6% probability of exploitation in the next 30 days, higher than 85.8% of all scored CVEs
CISA KEV
Listed since 2024-01-08, federal remediation deadline 2024-01-29
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2023-09-12, last modified 2025-10-23

Is CVE-2023-41990 being exploited?

CISA added CVE-2023-41990 to the Known Exploited Vulnerabilities catalog on 2024-01-08, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2024-01-29 under BOD 22-01. It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2023-41990

The record marks a vendor fix as available for CVE-2023-41990. Patch reference: https://support.apple.com/en-us/HT213938. Vendor advisory: https://support.apple.com/en-us/HT213599. Because CVE-2023-41990 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2024-01-29. 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-2023-41990

2 tracked threats in the Threadlinqs corpus reference CVE-2023-41990, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2023-41990 are available via the Threadlinqs MCP server (Purple tier). View plans →

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