CVE-2017-6978
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue...
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Accessibility Framework" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Accessibility Framework" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
CVE-2017-6978- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Accessibility Framework" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
CVE-2017-6978- Updated
- 2026-11-02
EUVDEUVD-2017-16016 No score
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Accessibility Framework" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
EUVD-2017-16016- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f5hr-3vm4-6m9p
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue...
An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Accessibility Framework" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
GHSA-f5hr-3vm4-6m9p- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Apple macOS - Lack of Bounds Checking in HIServices Custom CFObject Serialization Local Privilege Escalation | 2017-05-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-6978 is a high vulnerability (CVSS 7.8) in Apple Mac Os X, published May 22, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.30%, the 91st percentile. No source names a fixed version.