Security readout for executives and security teams
Plain-English summary
This Apple vulnerability lets malicious web content potentially run code on a victim device after user interaction. Apple fixed it across iOS, iPadOS, macOS Ventura, Safari, watchOS, and tvOS, and reported possible active exploitation. Treat unpatched Apple devices and Safari installations as urgent exposure.
Executive priority
Prioritize remediation within normal emergency patch timelines. The issue enables code execution from malicious web content and has KEV-backed exploitation evidence, making delayed Apple and Safari patching a real business risk for managed endpoints.
Technical view
CVE-2023-32373 is a CWE-416 use-after-free memory issue addressed by improved memory management. The CVSS 3.1 score is 8.8: network-reachable, low complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on Apple devices or Safari installations below the fixed releases: iOS/iPadOS 15.7.6 or 16.5, macOS Ventura 13.4, Safari 16.5, watchOS 9.5, and tvOS 16.5. The source bundle does not identify exact vulnerable build ranges beyond fixed versions.
Exploitation context
Apple reported this issue may have been actively exploited, and CISA lists CVE-2023-32373 in the Known Exploited Vulnerabilities catalog. Sources describe exploitation through maliciously crafted web content, but do not provide campaign details, targets, or public exploit mechanics.
Researcher notes
The public evidence supports memory-safety code execution risk and possible in-the-wild exploitation, but does not provide technical root-cause details, exploit chains, or precise vulnerable version ranges. Avoid assuming affected products beyond Apple’s listed platforms and Safari.
Mitigation direction
- Update affected Apple platforms to the named fixed versions or later.
- Prioritize internet-facing and routinely browsing Apple endpoints first.
- Update Safari to 16.5 or later where applicable.
- Check Apple guidance for devices without a clear upgrade path.
- Track CISA KEV remediation expectations for managed environments.
Validation and detection
- Inventory Apple macOS, iOS, iPadOS, watchOS, tvOS, and Safari versions.
- Confirm assets meet or exceed the fixed versions named by Apple.
- Ensure vulnerability scanners map findings to CVE-2023-32373.
- Review MDM compliance reports for lagging Apple updates.
- Confirm exceptions have documented vendor guidance or replacement plans.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-32373 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT213758CVE reference
- https://support.apple.com/en-us/HT213762CVE reference
- https://support.apple.com/en-us/HT213764CVE reference
- https://support.apple.com/en-us/HT213765CVE reference
- https://support.apple.com/en-us/HT213757CVE reference
- https://support.apple.com/en-us/HT213761CVE reference
- https://security.gentoo.org/glsa/202401-04CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32373CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.