CVE-2016-4621
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged...
libc++abi in Apple OS X before 10.11.6 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
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
CVE-2016-4621- 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
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
CVE-2016-4621- Updated
- 2026-11-02
EUVDEUVD-2016-5607 No score
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
EUVD-2016-5607- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cpc3-fh29-g2mr
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged...
libc++abi in Apple OS X before 10.11.6 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
- Record
GHSA-cpc3-fh29-g2mr- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4621 is a high vulnerability (CVSS 7.8) in Apple Mac Os X, published July 22, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. No source names a fixed version.