CVE-2016-4657

ENISA EUVD: EUVD-2016-5643 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-24
79.43%
probability
This CVE has a 79.43% probability of being exploited in the next 30 days.
0% Top 99.1th percentile of all CVEs 100%

CVSS v3.1

Source: NVD
8.8
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Project Zero
Use-after-free in MarkedArgumentBuffer (Pegasus)

Affected Products

Attack Intelligence

Google Project Zero

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

Exploits & PoC

iDaN5x/Switcheroo

Exploiting CVE-2016-4657 to JailBreak the Nintendo Switch

56
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 79.43%
CVSS v3.1 8.8
Mentions 0

CNA Information

Analyst Note

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

Threat Actors 2

Kinsing
apt_group 🇷🇺 RU
TeamTNT
apt_group 🇩🇪 DE

Triage Info

Decided atMar 05, 2026