Security readout for executives and security teams
Plain-English summary
This is an Apple kernel memory corruption issue in older iOS, macOS, tvOS, and watchOS releases. A malicious app could potentially run code with high privileges or crash the device. The practical risk is concentrated on Apple devices that remain below the fixed operating system versions named by Apple.
Executive priority
Treat this as a legacy Apple fleet hygiene issue with high impact if outdated devices remain in use. Prioritize executive attention if older Apple devices still access corporate data, privileged systems, or regulated information.
Technical view
CVE-2017-7027 affects the Kernel component in iOS before 10.3.3, macOS before 10.12.6, tvOS before 10.2.2, and watchOS before 3.2.3. The CVE states a crafted app can trigger memory corruption leading to privileged arbitrary code execution or denial of service.
Likely exposure
Exposure is most likely on legacy Apple devices or managed fleets still running versions below iOS 10.3.3, macOS 10.12.6, tvOS 10.2.2, or watchOS 3.2.3. Newer or fully updated devices are not indicated as affected in the provided sources.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not listed as KEV in the bundle. The described attack path requires a crafted app. The bundle does not provide exploit maturity, exploit availability, or additional delivery details.
Researcher notes
The source bundle is sparse: no CVSS, CWE, exploit status, or detailed root cause is provided. Analysis should stay anchored to the kernel memory corruption description, fixed version thresholds, and Apple reference pages. Do not infer affected versions beyond those listed.
Mitigation direction
- Upgrade iOS devices to 10.3.3 or later where supported.
- Upgrade macOS systems to 10.12.6 or later where supported.
- Upgrade tvOS devices to 10.2.2 or later where supported.
- Upgrade watchOS devices to 3.2.3 or later where supported.
- Check Apple guidance for unsupported devices that cannot receive fixed versions.
- Limit use of unmanaged or untrusted apps on legacy Apple devices.
Validation and detection
- Inventory Apple devices and record operating system versions.
- Flag devices below the fixed versions listed in the CVE.
- Confirm update status through MDM, endpoint tooling, or local device settings.
- Verify unsupported legacy devices are removed from sensitive access paths.
- Document exceptions and compensating controls for devices that cannot be updated.
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.
Execution 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-2017-7027 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/HT207924CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT207925CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT207923CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT207922CVE reference · x_refsource_CONFIRM
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.
