Adobe Flash Player use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability has been found in Adobe Flash Player up to (Multimedia Player Software) and classified as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 03/10/2016 by Natalie Silvanovich (AdLab) with Microsoft Vulnerability Research as APSB16-08 as confirmed security bulletin (Website). The advisory is shared for download at This vulnerability was named CVE-2016-0991 since 12/22/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 89868 (Adobe AIR <= Multiple Vulnerabilities (APSB16-08)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168642 (OpenSuSE Security Update for Security Adobe Flash Player (openSUSE-SU-2016:0719-1)).

Upgrading to version,, or eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 23956.

The vulnerability is also documented in the vulnerability database at Tenable (89868).








  • end of life

CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Use after free
CWE: CWE-416 / CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 89868
Nessus Name: Adobe AIR <= Multiple Vulnerabilities (APSB16-08)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800959
OpenVAS Name: Adobe Air Security Updates-APSB16-08 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Flash Player
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍


12/22/2015 🔍
03/10/2016 +79 days 🔍
03/10/2016 +0 days 🔍
03/10/2016 +0 days 🔍
03/10/2016 +0 days 🔍
03/11/2016 +1 days 🔍
03/11/2016 +0 days 🔍
03/11/2016 +0 days 🔍
03/12/2016 +1 days 🔍
07/10/2022 +2311 days 🔍



Advisory: APSB16-08
Researcher: Natalie Silvanovich (AdLab)
Organization: Microsoft Vulnerability Research
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-0991 (🔍)
SecurityTracker: 1035251
Vulnerability Center: 57225 - [APSB16-08] Adobe Flash Player, AIR, AIR SDK and AIR SDK and Compiler Remote Code Execution - CVE-2016-0991, Critical
SecurityFocus: 84312 - Adobe Flash Player and AIR APSB16-08 Multiple Use After Free Remote Code Execution Vulnerabilities


Created: 03/11/2016 01:50 PM
Updated: 07/10/2022 09:25 AM
Changes: 03/11/2016 01:50 PM (85), 01/31/2019 01:31 PM (9), 07/10/2022 09:25 AM (5)
Complete: 🔍
Cache ID: 100:8E3:40


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