CVE-2023-32387
CWE-416Published: June 23, 2023· Updated: Jun 17, 2026
Official Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.7.7, macOS Monterey 12.6.6, macOS Ventura 13.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.
Risk Analysis
This use-after-free vulnerability in macOS could allow a remote attacker to execute arbitrary code. The 9.8 CVSS score confirms the critical nature of this memory management flaw.
No public exploit is known, and it is not in the CISA KEV. It is remotely exploitable.
Update to macOS Big Sur 11.7.7, Monterey 12.6.6, or Ventura 13.4.
Technical Analysis
CVE-2023-32387 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (7)
Quick Facts
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-32387 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts