CVE-2016-7637

high

Published 2017-02-20 · Modified 2026-05-13

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CVSS v3

7.8

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.8

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 gain privileges or cause a denial of service (memory corruption) via unspecified vectors.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-40957 local macos verified

Google Security Research · 2016-12-22

Apple macOS < 10.12.2 / iOS < 10.2 - Broken Kernel Mach Port Name uref Handling Privileged Port Name Replacement Privilege Escalation

Source code queued for fetch — refresh in a moment.

EDB-40931 local multiple verified

Google Security Research · 2016-12-16

Apple macOS 10.12 16A323 XNU Kernel / iOS 10.1.1 - 'set_dp_control_port' Lack of Locking Use-After-Free

Source code queued for fetch — refresh in a moment.

OS impact

macOS Affected 1 release

Version	Status	Fixed in
—	Affected	—

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.