CVE-2016-7621
An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is…
- 7.8HighCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 30% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
An issue was discovered in certain Apple products. iOS before 10.2 is affected. macOS before 10.12.2 is affected. watchOS before 3.1.3 is affected. The issue involves the "Kernel" component. It allows local users to execute arbitrary code in a privileged context or cause a denial of service (use-after-free) via unspecified vectors.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Apple macOS < 10.12.2 / iOS < 10.2 - '_kernelrpc_mach_port_insert_right_trap' Kernel Reference Count Leak / Use-After-Free (Exploit-DB entry) (opens in a new tab)
EDB-ID 40956local, macospublished 22 Dec 2016Verified
References tagged exploit1 reference
- 40956 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By apple
- 5 months later
· 5 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
6
- https://support.apple.com/HT207487 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT207422 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 94905 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1037469 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://support.apple.com/HT207423 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 40956 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2016-8471 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-7621)Record last updated .