Security readout for executives and security teams
Plain-English summary
CVE-2019-7286 is an Apple iOS and macOS memory corruption flaw that could let an application gain higher privileges. Apple fixed it with improved input validation in iOS 12.1.4 and macOS Mojave 10.14.3 Supplemental Update. CISA lists it as known exploited, so legacy Apple devices should be treated as urgent exposure.
Executive priority
Treat this as a priority legacy Apple remediation item. The technical score is high, the impact is privilege escalation, and CISA KEV confirms known exploitation. Business urgency is highest where old iOS or Mojave systems remain in use.
Technical view
The issue is a CWE-787 out-of-bounds write style memory corruption vulnerability. The CVSS vector is local, low complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact. The source bundle names iOS and macOS but does not provide precise affected version ranges beyond fixed releases.
Likely exposure
Exposure is most likely on Apple iOS devices below 12.1.4 and macOS Mojave systems missing the 10.14.3 Supplemental Update. Exact vulnerable build ranges are not specified in the provided sources, so asset validation should rely on Apple advisories and endpoint inventory.
Exploitation context
Active exploitation is supported by CISA KEV listing for CVE-2019-7286. Public sources here describe privilege escalation by an application, not remote unauthenticated compromise. The bundle does not include exploit details, affected app paths, or indicators of compromise.
Researcher notes
Sources identify memory corruption fixed by input validation and privilege escalation impact. The provided record lacks exact vulnerable build ranges, root component detail, exploit chain context, and indicators. Avoid assuming broader Apple platforms or specific exploitation methods without additional vendor evidence.
Mitigation direction
- Update iOS devices to 12.1.4 or later where supported.
- Apply macOS Mojave 10.14.3 Supplemental Update or a later supported macOS update.
- Check Apple guidance for unsupported or ambiguous affected versions.
- Prioritize internet-facing, executive, administrator, and high-risk user devices.
- Retire or isolate devices that cannot receive vendor-supported fixes.
Validation and detection
- Inventory iOS and macOS versions through MDM or endpoint management.
- Confirm iOS devices are on 12.1.4 or later.
- Confirm Mojave systems have the 10.14.3 Supplemental Update or later updates.
- Map remaining vulnerable assets to owners and remediation deadlines.
- Review CISA KEV tracking for organizational remediation obligations.
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 lookupCVE-2019-7286 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
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/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/HT209601CVE reference · x_refsource_MISC
- https://support.apple.com/HT209602CVE reference · x_refsource_MISC
- https://support.apple.com/HT209520CVE reference · x_refsource_MISC
- https://support.apple.com/HT209521CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7286CVE 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.