CVE-2016-4171Adobe Flash Player Remote Code Execution Vulnerability

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.

9.8 CRITICALEPSS 20.05%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 00:47 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jun 16, 2016
Assigner: adobe

Affected

flash player (adobe)

Versions: through 11.2.202.621 · through 21.0.0.242

+6 more products →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Mar 25, 2022
KEV due date: Apr 15, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

20.05%chance of exploitation in 30 days

Higher than 97.46% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · CISA-ADP

7.8High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

10.0High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8	HIGH	3.1CISA-ADP	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
10.0	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Apr 15, 2022

The impacted product is end-of-life and should be disconnected if still in use.

Details

CVE ID: CVE-2016-4171
Status: Analyzed
Assigner (CNA): adobe
Published: Jun 16, 2016
Last modified: 2026-06-17 00:47 UTC

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:59 UTC.