CVE-2016-4655

ENISA EUVD: EUVD-2016-5641 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 1 article Published: 2016-08-25
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-23
81.71%
probability
This CVE has a 81.71% probability of being exploited in the next 30 days.
0% Top 99.2th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
5.5
MEDIUM
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2 (legacy)

7.1
HIGH
Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None
AV:N/AC:M/Au:N/C:C/I:N/A:N

Description

VulnerabilityLookup (CNA)
The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

Affected Products

n/a
n/a

Google Project Zero

Discovered
Aug. 15, 2016
Patched
Aug. 25, 2016
Reported by
Citizen Lab and Lookout
Root Cause Analysis
???

Exploits & PoC

jndok/PegasusX

OS X 10.11.6 LPE PoC for CVE-2016-4655 / CVE-2016-4656

103 2016-10-04
Cryptiiiic/skybreak

8.4.1 Jailbreak using CVE-2016-4655 / CVE-2016-4656

10 2019-02-17
liangle1986126z/jndok

OS X 10.11.6 LPE PoC for CVE-2016-4655 / CVE-2016-4656

0 2022-04-27
3 repos — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 81.71%
CVSS v3.1 5.5
Mentions 1

CNA Information

CNA Assigner
apple

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateAug 25, 2016