Security readout for executives and security teams
Plain-English summary
CVE-2023-28206 is an Apple operating system flaw that could let a malicious app run code with kernel privileges. That level of access can undermine device security controls. Apple fixed it across supported iOS, iPadOS, and macOS releases and reported possible active exploitation.
Executive priority
Prioritize rapid remediation for managed Apple fleets because this is a kernel-level vulnerability with known exploitation evidence. Unpatched executive, mobile, and high-value endpoints should be treated as urgent exposure.
Technical view
The issue is a CWE-787 out-of-bounds write addressed by improved input validation. Apple says an app may execute arbitrary code with kernel privileges. CVSS is 8.6 with local attack vector, no privileges required, user interaction required, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on iPhones, iPads, and Macs running affected pre-fix versions of iOS, iPadOS, or macOS. The bundle does not provide exact vulnerable build ranges beyond Apple’s fixed versions.
Exploitation context
Apple stated it was aware of a report that this issue may have been actively exploited. CISA lists CVE-2023-28206 in the Known Exploited Vulnerabilities catalog, so treat exploitation as confirmed for prioritization purposes.
Researcher notes
Sources identify the bug class and impact, but do not include vulnerable code paths, exploit mechanics, or detailed affected version ranges. Validation should focus on OS version state and Apple advisory coverage, not exploit reproduction.
Mitigation direction
- Update iOS and iPadOS to 16.4.1 or 15.7.5 where applicable.
- Update macOS Ventura to 13.3.1.
- Update macOS Monterey to 12.6.5.
- Update macOS Big Sur to 11.7.6.
- Check Apple advisories for platform-specific superseding guidance.
Validation and detection
- Inventory Apple endpoints through MDM or asset management.
- Compare device OS versions against Apple’s fixed releases.
- Confirm patch deployment success on iPhones, iPads, and Macs.
- Review CISA KEV status for prioritization and deadlines.
- Monitor security tooling for suspicious app-driven privilege behavior.
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-787: 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-2023-28206 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
- 8.6 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/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:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H1.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT213723CVE reference
- https://support.apple.com/en-us/HT213725CVE reference
- https://support.apple.com/en-us/HT213724CVE reference
- https://support.apple.com/en-us/HT213721CVE reference
- https://support.apple.com/en-us/HT213720CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206CVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.