CVE-2016-7855
Summary
| CVE | CVE-2016-7855 |
|---|---|
| State | PUBLISHED |
| Assigner | adobe |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-11-01 22:59:00 UTC |
| Updated | 2026-04-21 21:10:21 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.251980000 probability, percentile 0.977110000 (date 2026-07-22)
CISA KEV: Listed on 2022-03-03; due 2022-03-24; ransomware use Unknown
Problem Types: CWE-416 | n/a | CWE-416 CWE-416 Use After Free
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:N/AC:M/Au:N/C:C/I:C/A:C
CISA Known Exploited Vulnerability
| Vendor | Adobe |
|---|---|
| Product | Flash Player |
| Name | Adobe Flash Player Use-After-Free Vulnerability |
| 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 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Adobe | Flash Player | All | All | All | All |
| Application | Adobe | Flash Player | All | All | All | All |
| Application | Adobe | Flash Player | All | All | All | All |
| Application | Adobe | Flash Player | All | All | All | All |
| Operating System | Apple | Mac Os X | - | All | All | All |
| Operating System | Chrome Os | - | All | All | All | |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Operating System | Microsoft | Windows | - | All | All | All |
| Operating System | Microsoft | Windows 10 | - | All | All | All |
| Operating System | Microsoft | Windows 10 | 1511 | All | All | All |
| Operating System | Microsoft | Windows 10 | 1607 | All | All | All |
| Operating System | Microsoft | Windows 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Adobe Flash Player CVE-2016-7855 Use After Free Remote Code Execution Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Adobe Flash Player: Multiple vulnerabilities (GLSA 201610-10) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | Third Party Advisory |
| Microsoft Security Bulletin MS16-128 - Critical | Microsoft Docs | af854a3a-2127-422b-91ae-364da2661108 | docs.microsoft.com | Patch, Vendor Advisory |
| Google Online Security Blog: Disclosing vulnerabilities to protect users | af854a3a-2127-422b-91ae-364da2661108 | security.googleblog.com | Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| Adobe Security Bulletin | af854a3a-2127-422b-91ae-364da2661108 | helpx.adobe.com | Patch, Vendor Advisory |
| Adobe Flash Player Use-After-Free Memory Error Lets Remote Users Execute Arbitrary Code - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-03-03T00:00:00.000Z | CVE-2016-7855 added to CISA KEV |
There are currently no legacy QID mappings associated with this CVE.