CVE-2023-41990

Name: CVE-2023-41990
Creator: NVD / NIST
Published: 2023-09-12T00:15:09.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 1.15%

Last modified Jun 17, 2026

CVE-2023-41990 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.15%

62.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jan 29, 2024.

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 15.7.8
Apple	Ipados	>= 16.0, < 16.3
Apple	Iphone Os	< 15.7.8
Apple	Iphone Os	>= 16.0, < 16.3
Apple	Macos	< 11.7.9
Apple	Macos	>= 12.0.0, < 12.6.8
Apple	Macos	>= 13.0, < 13.2
Apple	Tvos	< 16.3
Apple	Watchos	< 9.3

References

https://support.apple.com/en-us/HT213599Vendor Advisory
https://support.apple.com/en-us/HT213601Vendor Advisory
https://support.apple.com/en-us/HT213605Vendor Advisory
https://support.apple.com/en-us/HT213606Vendor Advisory
https://support.apple.com/en-us/HT213842Vendor Advisory
https://support.apple.com/en-us/HT213844Vendor Advisory
https://support.apple.com/en-us/HT213845Vendor Advisory
https://support.apple.com/en-us/HT213599Vendor Advisory
https://support.apple.com/en-us/HT213601Vendor Advisory
https://support.apple.com/en-us/HT213605Vendor Advisory
https://support.apple.com/en-us/HT213606Vendor Advisory
https://support.apple.com/en-us/HT213842Vendor Advisory
https://support.apple.com/en-us/HT213844Vendor Advisory
https://support.apple.com/en-us/HT213845Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41990US Government Resource

Timeline

Published: Sep 12, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-41990?

How severe is CVE-2023-41990?

CVE-2023-41990 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-41990?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-41990?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST