CVE-2016-4138

Exp

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier, as used in the Adobe Flash libraries in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, has unknown impact and attack vectors, a different vulnerability than other CVEs listed in MS16-083.

Published: 2016-06-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-4138 is rated High Exploit Risk (84.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 60.71%, 98th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2016-4138

EDB-ID Source Kind Published Link
40090 exploit_db edb 2016-07-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2016-4138

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-02 65.18% 60.71% -4.48%
2 2025-08-25 36.81% 65.18% +28.37%
3 2025-04-11 — 36.81% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-4138

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2016-4138

OS Trackers for CVE-2016-4138

vendor priority summary link
redhat critical — https://access.redhat.com/security/cve/CVE-2016-4138
suse high — https://www.suse.com/security/cve/CVE-2016-4138/

Affected software / configurations for CVE-2016-4138

Vendor Product Version Raw CPE
redhat enterprise_linux_desktop 5.0 cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 5.0 cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 5.0 cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
adobe flash_player <= 21.0.0.242 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
adobe flash_player_desktop_runtime <= 21.0.0.242 cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
adobe flash_player <= 21.0.0.242 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
adobe flash_player <= 21.0.0.242 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*
adobe flash_player <= 11.2.202.621 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash_player <= 18.0.0.352 cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
suse linux_enterprise_desktop 12 cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:*
suse linux_enterprise_desktop 12 cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
suse linux_enterprise_workstation_extension 12 cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:-:*:*:*:*:*:*
suse linux_enterprise_workstation_extension 12 cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:sp1:*:*:*:*:*:*
adobe flash_player — cpe:2.3:a:adobe:flash_player:-:*:*:*:*:*:*:*

References for CVE-2016-4138

cvelogic Threat Intelligence