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CVE-2016-7855

HIGH
8.8
CVSS Score
Published: November 1, 2016 at 10:46 PM UTC
Updated: June 17, 2026 at 12:53 AM UTC
4 products affected across 2 vendorsEnterprise Linux DesktopEnterprise Linux ServerEnterprise Linux Workstation· also runs on 8 platforms

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Severity
HIGH8.8
Exploitation
CISA KEV
Exploit prediction
EPSS 25%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score25.2%

EPSS (Exploit Prediction Scoring System) estimates a 25.2% chance this CVE is exploited in the wild within the next 30 days — higher than 98% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Unknown
Added to KEV
Mar 3, 2022
Remediation Due
Mar 24, 2022
1678 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2016-7855

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Flash Player· Adobe
95%
v ≤ 11.2.202.637v ≤ 23.0.0.185
apple-macos (environment) · google-chrome-os (environment) · linux-linux-kernel (environment) · microsoft-windows (environment) · microsoft-windows-10 (environment) · microsoft-windows-8-1 (environment) · microsoft-windows-rt-8-1 (environment) · microsoft-windows-server-2012 (environment)
Enterprise Linux Desktop· Red Hatrubygems
95%
5.06.0
Enterprise Linux Server· Red Hatrubygems
95%
5.06.0
Enterprise Linux Workstation· Red Hatrubygems
95%
5.06.0

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (8)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-2119.html
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/93861
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1037111
Vendor Advisoryx_refsource_MSPatch
Source: [email protected]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://helpx.adobe.com/security/products/flash-player/apsb16-36.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201610-10
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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