ITSECURITY.GURU WHAT HAPPENED · DOES IT AFFECT YOU · WHAT TO DO
Board › Vulnerabilities › CVE-2023-41990
7.8HighExploited CVE-2023-41990 Apple

Apple Multiple Products Code Execution Vulnerability

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 befo

What happened

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.

CISA lists it as exploited, added 08 Jan 2024.

NVD description

Does it affect you

Names Apple macOS. Enter the product and version you run to place it against the affected range the vendor published.

What to do

  • Follow the vendor advisory for the fixed release and any interim mitigation.
    support.apple.com
  • Follow the vendor advisory for the fixed release and any interim mitigation.
    support.apple.com
  • Follow the vendor advisory for the fixed release and any interim mitigation.
    support.apple.com
  • Follow the vendor advisory for the fixed release and any interim mitigation.
    support.apple.com
  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    cisa.gov

CISA’s notes for this entry:

Affected, as published to NVD

macos
Apple macOS: everything below 11.7.9

The record

Identifier
CVE-2023-41990 · NVD · CVE.org
NVD status
Analyzed
Published
12 Sep 2023, last modified 17 Jun 2026 (NVD)
Severity
CVSS 3.1 base score 7.8, High — computed here from the vector; NVD states 7.8.
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation
Listed in CISA’s Known Exploited Vulnerabilities catalogue since 08 Jan 2024; federal remediation due 29 Jan 2024. CISA entry
Exploit probability
EPSS 1.4%, 72nd percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
Vendor
Apple · Multiple Products (CISA)

The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.