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Known Exploited Vulnerability
9.3
HIGH CVSS 2.0
CVE-2016-7855
Adobe Flash Player Use-After-Free Vulnerability - [Actively Exploited]
Description

Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.

INFO

Published Date :

Nov. 1, 2016, 10:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Use-after-free vulnerability in Adobe Flash Player Windows and OS and Linux allows remote attackers to execute arbitrary code.

Required Action :

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

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2016-7855

Affected Products

The following products are affected by CVE-2016-7855 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_10
2 Microsoft windows_8.1
3 Microsoft windows_rt_8.1
4 Microsoft windows_server_2012
5 Microsoft windows
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
1 Linux linux_kernel
1 Adobe flash_player
1 Apple mac_os_x
1 Google chrome_os
: Total Affected Vendor : 6 | Products : 12
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This vulnerability allows for remote code execution; updating Adobe Flash Player and related packages is recommended.
  • Update Adobe Flash Player to version 23.0.0.205 or later.
  • Update the affected flash-player and/or flash-plugin packages.
Public PoC/Exploit Available at Github

CVE-2016-7855 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-7855.

URL Resource
http://rhn.redhat.com/errata/RHSA-2016-2119.html Third Party Advisory
http://www.securityfocus.com/bid/93861 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037111 Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 Patch Vendor Advisory
https://helpx.adobe.com/security/products/flash-player/apsb16-36.html Patch Vendor Advisory
https://security.gentoo.org/glsa/201610-10 Third Party Advisory
https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2119.html Third Party Advisory
http://www.securityfocus.com/bid/93861 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037111 Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 Patch Vendor Advisory
https://helpx.adobe.com/security/products/flash-player/apsb16-36.html Patch Vendor Advisory
https://security.gentoo.org/glsa/201610-10 Third Party Advisory
https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-7855 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-7855 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 3 weeks ago
581 stars 42 fork 42 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1287 different CVEs too.
Profile Photo
thdusdl1219/CVE-Study

None

Python

Updated: 2 months ago
11 stars 1 fork 1 watcher
Born at : Aug. 30, 2017, 2:37 p.m. This repo has been linked 1269 different CVEs too.
Profile Photo
Panopticon-Project/panopticon-APT28

None

Updated: 2 years, 3 months ago
5 stars 3 fork 3 watcher
Born at : July 26, 2017, 8:17 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
swagatbora90/CheckFlashPlayerVersion

Check the Browser's FlashPlayer version to check if it is vulnerable to exploit CVE-2016-7855

HTML JavaScript

Updated: 6 years, 3 months ago
1 stars 3 fork 3 watcher
Born at : Oct. 26, 2016, 7:53 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-7855 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2016-7855 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Feb. 14, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 04, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-416
  • Modified Analysis by [email protected]

    Jan. 23, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-2119.html
    Added Reference http://www.securityfocus.com/bid/93861
    Added Reference http://www.securitytracker.com/id/1037111
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128
    Added Reference https://helpx.adobe.com/security/products/flash-player/apsb16-36.html
    Added Reference https://security.gentoo.org/glsa/201610-10
    Added Reference https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 16, 2019

    Action Type Old Value New Value
    Removed CVSS V2 Metadata Access Complexity Insufficient Information
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Changed CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Changed CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/93861 No Types Assigned http://www.securityfocus.com/bid/93861 Third Party Advisory, VDB Entry
    Changed Reference Type https://security.gentoo.org/glsa/201610-10 No Types Assigned https://security.gentoo.org/glsa/201610-10 Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1037111 No Types Assigned http://www.securitytracker.com/id/1037111 Third Party Advisory, VDB Entry
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-2119.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-2119.html Third Party Advisory
    Changed Reference Type https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 No Types Assigned https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 Patch, Vendor Advisory
    Changed CPE Configuration AND OR *cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* versions up to (including) 23.0.0.185 *cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* versions up to (including) 23.0.0.185 OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:x64:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:x86:* AND OR *cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* versions up to (including) 23.0.0.185 *cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* versions up to (including) 23.0.0.185 OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    May. 08, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x86:* OR *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:x86:*
  • CPE Deprecation Remap by [email protected]

    May. 08, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x64:* OR *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:x64:*
  • CVE Modified by [email protected]

    Oct. 12, 2018

    Action Type Old Value New Value
    Removed Reference http://technet.microsoft.com/security/bulletin/MS16-128 [Mitigation, Third Party Advisory]
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-2119.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 29, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037111 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201610-10 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93861 [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 03, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:chrome:*:* (and previous) OR cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Configuration 2 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:internet_explorer:*:* (and previous) *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:edge:*:* (and previous) OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x64:* cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x86:* Configuration 3 AND OR *cpe:2.3:a:adobe:flash_player:11.2.202.637:*:*:*:*:linux:*:* (and previous) OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Configuration 4 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:*:*:* (and previous) OR cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-128 No Types Assigned http://technet.microsoft.com/security/bulletin/MS16-128 Mitigation, Third Party Advisory
    Changed Reference Type https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html No Types Assigned https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
    Changed Reference Type https://helpx.adobe.com/security/products/flash-player/apsb16-36.html No Types Assigned https://helpx.adobe.com/security/products/flash-player/apsb16-36.html Vendor Advisory, Patch
    Added CWE CWE-416
  • Initial Analysis by [email protected]

    Nov. 03, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR Configuration 1 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:internet_explorer:*:* (and previous) *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:edge:*:* (and previous) OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x64:* cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:x86:* Configuration 2 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:*:*:* (and previous) OR cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Configuration 3 AND OR *cpe:2.3:a:adobe:flash_player:23.0.0.185:*:*:*:*:chrome:*:* (and previous) OR cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Configuration 4 AND OR *cpe:2.3:a:adobe:flash_player:11.2.202.637:*:*:*:*:linux:*:* (and previous) OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-128 Mitigation, Patch, Vendor Advisory http://technet.microsoft.com/security/bulletin/MS16-128 Mitigation, Third Party Advisory
    Changed Reference Type https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html No Types Assigned https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
    Changed Reference Type https://helpx.adobe.com/security/products/flash-player/apsb16-36.html No Types Assigned https://helpx.adobe.com/security/products/flash-player/apsb16-36.html Patch, Vendor Advisory
    Added CWE CWE-416
  • CVE Translated by [email protected]

    Nov. 03, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

46.89 }} 3.73%

score

0.97572

percentile